ffplay version n8.0.3 Copyright (c) 2003-2026 the FFmpeg developers
built with gcc 16 (Wolfi 16.2.0-r2)
configuration: --prefix=/usr --libdir=/usr/lib --enable-shared --enable-libx264 --enable-libx265 --enable-libaom --enable-libtheora --enable-gpl --enable-version3 --enable-openssl --enable-libmp3lame --enable-libopencore-amrnb --enable-ffplay --enable-libdav1d --enable-libharfbuzz --enable-libopus --enable-libsnappy --enable-libsrt --enable-libssh --enable-libsvtav1 --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libxml2 --enable-lzma --enable-libfontconfig --enable-libfreetype --enable-libopenjpeg --enable-libspeex --enable-libsoxr
libavutil 60. 8.103 / 60. 8.103
libavcodec 62. 11.103 / 62. 11.103
libavformat 62. 3.103 / 62. 3.103
libavdevice 62. 1.103 / 62. 1.103
libavfilter 11. 4.103 / 11. 4.103
libswscale 9. 1.103 / 9. 1.103
libswresample 6. 1.103 / 6. 1.103
Simple media player
usage: ffplay [options] input_file
Main options:
-L show license
-h <topic> show help
-version show version
-muxers show available muxers
-demuxers show available demuxers
-devices show available devices
-decoders show available decoders
-encoders show available encoders
-filters show available filters
-pix_fmts show available pixel formats
-layouts show standard channel layouts
-sample_fmts show available audio sample formats
-v <loglevel> set logging level
-x <width> force displayed width
-y <height> force displayed height
-fs force full screen
-an disable audio
-vn disable video
-sn disable subtitling
-ss <pos> seek to a given position in seconds
-t <duration> play "duration" seconds of audio/video
-bytes <val> seek by bytes 0=off 1=on -1=auto
-seek_interval <seconds> set seek interval for left/right keys, in seconds
-nodisp disable graphical display
-noborder borderless window
-alwaysontop window always on top
-volume <volume> set startup volume 0=min 100=max
-f <fmt> force format
-window_title <window title> set window title
-af <filter_graph> set audio filters
-showmode <mode> select show mode (0 = video, 1 = waves, 2 = RDFT)
-i <input_file> read specified file
-codec <decoder_name> force decoder
-autorotate <> automatically rotate video
-enable_vulkan enable vulkan renderer
Advanced options:
-? <topic> show help
-help <topic> show help
--help <topic> show help
-buildconf show build configuration
-formats show available formats
-codecs show available codecs
-bsfs show available bit stream filters
-protocols show available protocols
-dispositions show available stream dispositions
-colors show available color names
-loglevel <loglevel> set logging level
-report generate a report
-max_alloc <bytes> set maximum size of a single allocated block
-cpuflags <flags> force specific cpu flags
-cpucount <count> force specific cpu count
-hide_banner <hide_banner> do not show program banner
-sources <device> list sources of the input device
-sinks <device> list sinks of the output device
-ast <stream_specifier> select desired audio stream
-vst <stream_specifier> select desired video stream
-sst <stream_specifier> select desired subtitle stream
-stats <> show status
-fast <> non spec compliant optimizations
-genpts <> generate pts
-drp <> let decoder reorder pts 0=off 1=on -1=auto
-lowres <>
-sync <type> set audio-video sync. type (type=audio/video/ext)
-autoexit <> exit at the end
-exitonkeydown <> exit on key down
-exitonmousedown <> exit on mouse down
-loop <loop count> set number of times the playback shall be looped
-framedrop <> drop frames when cpu is too slow
-infbuf <> don't limit the input buffer size (useful with realtime streams)
-left <x pos> set the x position for the left of the window
-top <y pos> set the y position for the top of the window
-vf <filter_graph> set video filters
-rdftspeed <msecs> rdft speed
-acodec <decoder_name> force audio decoder
-scodec <decoder_name> force subtitle decoder
-vcodec <decoder_name> force video decoder
-find_stream_info read and decode the streams to fill missing information with heuristics
-filter_threads number of filter threads per graph
-vulkan_params vulkan configuration using a list of key=value pairs separated by ':'
-hwaccel use HW accelerated decoding
AVCodecContext AVOptions:
-flags <flags> ED.VAS..... (default 0)
unaligned .D.V....... allow decoders to produce unaligned output
gray ED.V....... only decode/encode grayscale
low_delay ED.V....... force low delay
bitexact ED.VAS..... use only bitexact functions (except (I)DCT)
output_corrupt .D.V....... Output even potentially corrupted frames
-flags2 <flags> ED.VAS..... (default 0)
ignorecrop .D.V....... ignore cropping information from sps
chunks .D.V....... Frame data might be split into multiple chunks
showall .D.V....... Show all frames before the first keyframe
export_mvs .D.V....... export motion vectors through frame side data
skip_manual .D..A...... do not skip samples and export skip information as frame side data
ass_ro_flush_noop .D...S..... do not reset ASS ReadOrder field on flush
icc_profiles .D...S..... generate/parse embedded ICC profiles from/to colorimetry tags
-export_side_data <flags> ED.VAS..... Export metadata as side data (default 0)
mvs .D.V....... export motion vectors through frame side data
venc_params .D.V....... export video encoding parameters through frame side data
film_grain .D.V....... export film grain parameters through frame side data
enhancements .D.V....... export picture enhancement metadata through frame side data
-ar <int> ED..A...... set audio sampling rate (in Hz) (from 0 to INT_MAX) (default 0)
-bug <flags> .D.V....... work around not autodetected encoder bugs (default autodetect)
autodetect .D.V.......
xvid_ilace .D.V....... Xvid interlacing bug (autodetected if FOURCC == XVIX)
ump4 .D.V....... (autodetected if FOURCC == UMP4)
no_padding .D.V....... padding bug (autodetected)
amv .D.V.......
qpel_chroma .D.V.......
std_qpel .D.V....... old standard qpel (autodetected per FOURCC/version)
qpel_chroma2 .D.V.......
direct_blocksize .D.V....... direct-qpel-blocksize bug (autodetected per FOURCC/version)
edge .D.V....... edge padding bug (autodetected per FOURCC/version)
hpel_chroma .D.V.......
dc_clip .D.V.......
ms .D.V....... work around various bugs in Microsoft's broken decoders
trunc .D.V....... truncated frames
iedge .D.V.......
-strict <int> ED.VA...... how strictly to follow the standards (from INT_MIN to INT_MAX) (default normal)
very 2 ED.VA...... strictly conform to a older more strict version of the spec or reference software
strict 1 ED.VA...... strictly conform to all the things in the spec no matter what the consequences
normal 0 ED.VA......
unofficial -1 ED.VA...... allow unofficial extensions
experimental -2 ED.VA...... allow non-standardized experimental things
-err_detect <flags> ED.VAS..... set error detection flags (default 0)
crccheck ED.VAS..... verify embedded CRCs
bitstream ED.VAS..... detect bitstream specification deviations
buffer ED.VAS..... detect improper bitstream length
explode ED.VAS..... abort decoding on minor error detection
ignore_err ED.VAS..... ignore errors
careful ED.VAS..... consider things that violate the spec, are fast to check and have not been seen in the wild as errors
compliant ED.VAS..... consider all spec non compliancies as errors
aggressive ED.VAS..... consider things that a sane encoder should not do as an error
-idct <int> ED.V....... select IDCT implementation (from 0 to INT_MAX) (default auto)
auto 0 ED.V.......
int 1 ED.V.......
simple 2 ED.V.......
simplemmx 3 ED.V.......
arm 7 ED.V.......
altivec 8 ED.V.......
simplearm 10 ED.V.......
simplearmv5te 16 ED.V.......
simplearmv6 17 ED.V.......
simpleneon 22 ED.V.......
xvid 14 ED.V.......
xvidmmx 14 ED.V....... deprecated, for compatibility only
faani 20 ED.V....... floating point AAN IDCT
simpleauto 128 ED.V.......
-ec <flags> .D.V....... set error concealment strategy (default guess_mvs+deblock)
guess_mvs .D.V....... iterative motion vector (MV) search (slow)
deblock .D.V....... use strong deblock filter for damaged MBs
favor_inter .D.V....... favor predicting from the previous frame
-debug <flags> ED.VAS..... print specific debug info (default 0)
pict .D.V....... picture info
bitstream .D.V.......
mb_type .D.V....... macroblock (MB) type
qp .D.V....... per-block quantization parameter (QP)
dct_coeff .D.V.......
green_metadata .D.V.......
skip .D.V.......
startcode .D.V.......
er .D.V....... error recognition
mmco .D.V....... memory management control operations (H.264)
bugs .D.V.......
buffers .D.V....... picture buffer allocations
thread_ops .D.VA...... threading operations
nomc .D.VA...... skip motion compensation
-threads <int> ED.VA...... set the number of threads (from 0 to INT_MAX) (default 1)
auto 0 ED.V....... autodetect a suitable number of threads to use
-skip_top <int> .D.V....... number of macroblock rows at the top which are skipped (from INT_MIN to INT_MAX) (default 0)
-skip_bottom <int> .D.V....... number of macroblock rows at the bottom which are skipped (from INT_MIN to INT_MAX) (default 0)
-lowres <int> .D.VA...... decode at 1= 1/2, 2=1/4, 3=1/8 resolutions (from 0 to INT_MAX) (default 0)
-skip_loop_filter <int> .D.V....... skip loop filtering process for the selected frames (from INT_MIN to INT_MAX) (default default)
none -16 .D.V....... discard no frame
default 0 .D.V....... discard useless frames
noref 8 .D.V....... discard all non-reference frames
bidir 16 .D.V....... discard all bidirectional frames
nointra 24 .D.V....... discard all frames except I frames
nokey 32 .D.V....... discard all frames except keyframes
all 48 .D.V....... discard all frames
-skip_idct <int> .D.V....... skip IDCT/dequantization for the selected frames (from INT_MIN to INT_MAX) (default default)
none -16 .D.V....... discard no frame
default 0 .D.V....... discard useless frames
noref 8 .D.V....... discard all non-reference frames
bidir 16 .D.V....... discard all bidirectional frames
nointra 24 .D.V....... discard all frames except I frames
nokey 32 .D.V....... discard all frames except keyframes
all 48 .D.V....... discard all frames
-skip_frame <int> .D.V....... skip decoding for the selected frames (from INT_MIN to INT_MAX) (default default)
none -16 .D.V....... discard no frame
default 0 .D.V....... discard useless frames
noref 8 .D.V....... discard all non-reference frames
bidir 16 .D.V....... discard all bidirectional frames
nointra 24 .D.V....... discard all frames except I frames
nokey 32 .D.V....... discard all frames except keyframes
all 48 .D.V....... discard all frames
-ch_layout <channel_layout> ED..A......
-color_primaries <int> ED.V....... color primaries (from 1 to INT_MAX) (default unknown)
bt709 1 ED.V....... BT.709
unknown 2 ED.V....... Unspecified
bt470m 4 ED.V....... BT.470 M
bt470bg 5 ED.V....... BT.470 BG
smpte170m 6 ED.V....... SMPTE 170 M
smpte240m 7 ED.V....... SMPTE 240 M
film 8 ED.V....... Film
bt2020 9 ED.V....... BT.2020
smpte428 10 ED.V....... SMPTE 428-1
smpte428_1 10 ED.V....... SMPTE 428-1
smpte431 11 ED.V....... SMPTE 431-2
smpte432 12 ED.V....... SMPTE 422-1
jedec-p22 22 ED.V....... JEDEC P22
ebu3213 22 ED.V....... EBU 3213-E
unspecified 2 ED.V....... Unspecified
-color_trc <int> ED.V....... color transfer characteristics (from 1 to INT_MAX) (default unknown)
bt709 1 ED.V....... BT.709
unknown 2 ED.V....... Unspecified
gamma22 4 ED.V....... BT.470 M
bt470m 4 ED.V....... BT.470 M
gamma28 5 ED.V....... BT.470 BG
bt470bg 5 ED.V....... BT.470 BG
smpte170m 6 ED.V....... SMPTE 170 M
smpte240m 7 ED.V....... SMPTE 240 M
linear 8 ED.V....... Linear
log100 9 ED.V....... Log
log316 10 ED.V....... Log square root
iec61966-2-4 11 ED.V....... IEC 61966-2-4
bt1361e 12 ED.V....... BT.1361
iec61966-2-1 13 ED.V....... IEC 61966-2-1
bt2020-10 14 ED.V....... BT.2020 - 10 bit
bt2020-12 15 ED.V....... BT.2020 - 12 bit
smpte2084 16 ED.V....... SMPTE 2084
smpte428 17 ED.V....... SMPTE 428-1
arib-std-b67 18 ED.V....... ARIB STD-B67
unspecified 2 ED.V....... Unspecified
log 9 ED.V....... Log
log_sqrt 10 ED.V....... Log square root
iec61966_2_4 11 ED.V....... IEC 61966-2-4
bt1361 12 ED.V....... BT.1361
iec61966_2_1 13 ED.V....... IEC 61966-2-1
bt2020_10bit 14 ED.V....... BT.2020 - 10 bit
bt2020_12bit 15 ED.V....... BT.2020 - 12 bit
smpte428_1 17 ED.V....... SMPTE 428-1
-colorspace <int> ED.V....... color space (from 0 to INT_MAX) (default unknown)
rgb 0 ED.V....... RGB
bt709 1 ED.V....... BT.709
unknown 2 ED.V....... Unspecified
fcc 4 ED.V....... FCC
bt470bg 5 ED.V....... BT.470 BG
smpte170m 6 ED.V....... SMPTE 170 M
smpte240m 7 ED.V....... SMPTE 240 M
ycgco 8 ED.V....... YCGCO
bt2020nc 9 ED.V....... BT.2020 NCL
bt2020c 10 ED.V....... BT.2020 CL
smpte2085 11 ED.V....... SMPTE 2085
chroma-derived-nc 12 ED.V....... Chroma-derived NCL
chroma-derived-c 13 ED.V....... Chroma-derived CL
ictcp 14 ED.V....... ICtCp
ipt-c2 15 ED.V....... IPT-C2
unspecified 2 ED.V....... Unspecified
ycocg 8 ED.V....... YCGCO
ycgco-re 16 ED.V....... YCgCo-R, even add.
ycgco-ro 17 ED.V....... YCgCo-R, odd add.
bt2020_ncl 9 ED.V....... BT.2020 NCL
bt2020_cl 10 ED.V....... BT.2020 CL
-color_range <int> ED.V....... color range (from 0 to INT_MAX) (default unknown)
unknown 0 ED.V....... Unspecified
tv 1 ED.V....... MPEG (219*2^(n-8))
pc 2 ED.V....... JPEG (2^n-1)
unspecified 0 ED.V....... Unspecified
mpeg 1 ED.V....... MPEG (219*2^(n-8))
jpeg 2 ED.V....... JPEG (2^n-1)
limited 1 ED.V....... MPEG (219*2^(n-8))
full 2 ED.V....... JPEG (2^n-1)
-chroma_sample_location <int> ED.V....... chroma sample location (from 0 to INT_MAX) (default unknown)
unknown 0 ED.V....... Unspecified
left 1 ED.V....... Left
center 2 ED.V....... Center
topleft 3 ED.V....... Top-left
top 4 ED.V....... Top
bottomleft 5 ED.V....... Bottom-left
bottom 6 ED.V....... Bottom
unspecified 0 ED.V....... Unspecified
-thread_type <flags> ED.VA...... select multithreading type (default slice+frame)
slice ED.V.......
frame ED.V.......
-request_sample_fmt <sample_fmt> .D..A...... sample format audio decoders should prefer (default none)
-sub_charenc <string> .D...S..... set input text subtitles character encoding
-sub_charenc_mode <flags> .D...S..... set input text subtitles character encoding mode (default 0)
do_nothing .D...S.....
auto .D...S.....
pre_decoder .D...S.....
ignore .D...S.....
-apply_cropping <boolean> .D.V....... (default true)
-skip_alpha <boolean> .D.V....... Skip processing alpha (default false)
-field_order <int> ED.V....... Field order (from 0 to 5) (default 0)
progressive 1 ED.V.......
tt 2 ED.V.......
bb 3 ED.V.......
tb 4 ED.V.......
bt 5 ED.V.......
-dump_separator <string> ED.VAS..... set information dump field separator
-codec_whitelist <string> .D.VAS..... List of decoders that are allowed to be used
-max_pixels <int64> ED.VAS..... Maximum number of pixels (from 0 to INT_MAX) (default INT_MAX)
-max_samples <int64> ED..A...... Maximum number of samples (from 0 to INT_MAX) (default INT_MAX)
-hwaccel_flags <flags> .D.V....... (default ignore_level)
ignore_level .D.V....... ignore level even if the codec level used is unknown or higher than the maximum supported level reported by the hardware driver
allow_high_depth .D.V....... allow to output YUV pixel formats with a different chroma sampling than 4:2:0 and/or other than 8 bits per component
allow_profile_mismatch .D.V....... attempt to decode anyway if HW accelerated decoder's supported profiles do not exactly match the stream
unsafe_output .D.V....... allow potentially unsafe hwaccel frame output that might require special care to process successfully
-extra_hw_frames <int> .D.V....... Number of extra hardware frames to allocate for the user (from -1 to INT_MAX) (default -1)
-discard_damaged_percentage <int> .D.V....... Percentage of damaged samples to discard a frame (from 0 to 100) (default 95)
-side_data_prefer_packet [<int> ].D.VAS..... Comma-separated list of side data types for which user-supplied (container) data is preferred over coded bytestream
replaygain 4 .D..A......
displaymatrix 5 .D..A......
spherical 21 .D..A......
stereo3d 6 .D..A......
audio_service_type 7 .D..A......
mastering_display_metadata 20 .D..A......
content_light_level 22 .D..A......
icc_profile 28 .D..A......
amv encoder AVOptions:
(A)PNG encoder AVOptions:
cfhd AVOptions:
cinepak AVOptions:
cljr encoder AVOptions:
dnxhd AVOptions:
dvvideo encoder AVOptions:
DXV encoder AVOptions:
exr AVOptions:
ffv1 encoder AVOptions:
ffvhuff AVOptions:
generic mpegvideo encoder AVOptions:
GIF encoder AVOptions:
generic mpegvideo encoder AVOptions:
H.263 encoder AVOptions:
H.263p encoder AVOptions:
Hap encoder AVOptions:
huffyuv AVOptions:
jpeg 2000 encoder AVOptions:
jpegls AVOptions:
ljpeg AVOptions:
magicyuv AVOptions:
mjpeg encoder AVOptions:
mpeg1video encoder AVOptions:
mpeg2video encoder AVOptions:
MPEG4 encoder AVOptions:
generic mpegvideo encoder AVOptions:
generic mpegvideo encoder AVOptions:
(A)PNG encoder AVOptions:
ProRes encoder AVOptions:
ProRes encoder AVOptions:
ProRes encoder AVOptions:
RoQ AVOptions:
rpza AVOptions:
generic mpegvideo encoder AVOptions:
generic mpegvideo encoder AVOptions:
sgi AVOptions:
snow encoder AVOptions:
generic mpegvideo encoder AVOptions:
sunrast AVOptions:
svq1enc AVOptions:
targa AVOptions:
TIFF encoder AVOptions:
utvideo AVOptions:
VBN encoder AVOptions:
SMPTE VC-2 encoder AVOptions:
generic mpegvideo encoder AVOptions:
generic mpegvideo encoder AVOptions:
AAC encoder AVOptions:
AC-3 Encoder AVOptions:
AC-3 Encoder AVOptions:
alacenc AVOptions:
DCA (DTS Coherent Acoustics) AVOptions:
E-AC-3 Encoder AVOptions:
FLAC encoder AVOptions:
mlpenc AVOptions:
Opus encoder AVOptions:
sbc encoder AVOptions:
mlpenc AVOptions:
WavPack encoder AVOptions:
ADPCM encoder AVOptions:
g726 AVOptions:
g726 AVOptions:
ADPCM encoder AVOptions:
ADPCM encoder AVOptions:
ADPCM encoder AVOptions:
ADPCM encoder AVOptions:
ADPCM encoder AVOptions:
ADPCM encoder AVOptions:
ADPCM encoder AVOptions:
ADPCM encoder AVOptions:
ADPCM encoder AVOptions:
ADPCM encoder AVOptions:
DVBSUB subtitle encoder AVOptions:
VOBSUB subtitle encoder AVOptions:
MOV text enoder AVOptions:
libaom-av1 encoder AVOptions:
libmp3lame encoder AVOptions:
libopencore_amrnb AVOptions:
libopenjpeg AVOptions:
libopus AVOptions:
libspeex AVOptions:
libsvtav1 AVOptions:
libtheora AVOptions:
libvorbis AVOptions:
libvpx-vp8 encoder AVOptions:
libvpx-vp9 encoder AVOptions:
libwebp encoder AVOptions:
libwebp encoder AVOptions:
libx264 AVOptions:
libx264rgb AVOptions:
libx265 AVOptions:
h263_v4l2m2m_encoder AVOptions:
h264_v4l2m2m_encoder AVOptions:
hevc_v4l2m2m_encoder AVOptions:
mpeg4_v4l2m2m_encoder AVOptions:
vp8_v4l2m2m_encoder AVOptions:
EXR AVOptions:
-layer <string> .D.V....... Set the decoding layer (default "")
-part <int> .D.V....... Set the decoding part (from 0 to INT_MAX) (default 0)
-gamma <float> .D.V......P Set the float gamma value when decoding (deprecated, use a scaler) (from 0.001 to FLT_MAX) (default 1)
-apply_trc <int> .D.V......P color transfer characteristics to apply to EXR linear input (deprecated, use a scaler) (from 1 to 18) (default gamma)
bt709 1 .D.V....... BT.709
gamma 2 .D.V....... gamma
gamma22 4 .D.V....... BT.470 M
gamma28 5 .D.V....... BT.470 BG
smpte170m 6 .D.V....... SMPTE 170 M
smpte240m 7 .D.V....... SMPTE 240 M
linear 8 .D.V....... Linear
log 9 .D.V....... Log
log_sqrt 10 .D.V....... Log square root
iec61966_2_4 11 .D.V....... IEC 61966-2-4
bt1361 12 .D.V....... BT.1361
iec61966_2_1 13 .D.V....... IEC 61966-2-1
bt2020_10bit 14 .D.V....... BT.2020 - 10 bit
bt2020_12bit 15 .D.V....... BT.2020 - 12 bit
smpte2084 16 .D.V....... SMPTE ST 2084
smpte428_1 17 .D.V....... SMPTE ST 428-1
FIC decoder AVOptions:
-skip_cursor <boolean> .D.V....... skip the cursor (default false)
FITS decoder AVOptions:
-blank_value <int> .D.V....... value that is used to replace BLANK pixels in data array (from 0 to 65535) (default 0)
frwu Decoder AVOptions:
-change_field_order <boolean> .D.V....... Change field order (default false)
gif decoder AVOptions:
-trans_color <int> .D.V....... color value (ARGB) that is used instead of transparent color (from 0 to UINT32_MAX) (default 16777215)
h263_v4l2m2m_decoder AVOptions:
-num_output_buffers <int> .D.V....... Number of buffers in the output context (from 2 to INT_MAX) (default 16)
-num_capture_buffers <int> .D.V....... Number of buffers in the capture context (from 2 to INT_MAX) (default 20)
H264 Decoder AVOptions:
-is_avc <boolean> .D.V..X.... is avc (default false)
-nal_length_size <int> .D.V..X.... nal_length_size (from 0 to 4) (default 0)
-enable_er <boolean> .D.V....... Enable error resilience on damaged frames (unsafe) (default auto)
-x264_build <int> .D.V....... Assume this x264 version if no x264 version found in any SEI (from -1 to INT_MAX) (default -1)
-skip_gray <boolean> .D.V....... Do not return gray gap frames (default false)
-noref_gray <boolean> .D.V....... Avoid using gray gap frames as references (default true)
h264_v4l2m2m_decoder AVOptions:
-num_output_buffers <int> .D.V....... Number of buffers in the output context (from 2 to INT_MAX) (default 16)
-num_capture_buffers <int> .D.V....... Number of buffers in the capture context (from 2 to INT_MAX) (default 20)
HEVC decoder AVOptions:
-apply_defdispwin <boolean> .D.V....... Apply default display window from VUI (default false)
-strict-displaywin <boolean> .D.V....... strictly apply default display window size (default false)
-view_ids [<int> ].D.V....... Array of view IDs that should be decoded and output; a single -1 to decode all views
-view_ids_available [<unsigned>].D.V..XR... Array of available view IDs is exported here
-view_pos_available [<unsigned>].D.V..XR... Array of view positions for view_ids_available is exported here, as AVStereo3DView
hevc_v4l2m2m_decoder AVOptions:
-num_output_buffers <int> .D.V....... Number of buffers in the output context (from 2 to INT_MAX) (default 16)
-num_capture_buffers <int> .D.V....... Number of buffers in the capture context (from 2 to INT_MAX) (default 20)
jpeg2000 AVOptions:
-lowres <int> .D.V....... Lower the decoding resolution by a power of two (from 0 to 33) (default 0)
MJPEG decoder AVOptions:
-extern_huff <boolean> .D.V....... Use external huffman table. (default false)
MPEG-2 video AVOptions:
-cc_format <int> .D.V....... extract a specific Closed Captions format (from 0 to 4) (default auto)
auto 0 .D.V....... pick first seen CC substream
a53 1 .D.V....... pick A/53 Part 4 CC substream
scte20 2 .D.V....... pick SCTE-20 CC substream
dvd 3 .D.V....... pick DVD CC substream
dish 4 .D.V....... pick Dish Network CC substream
MPEG4 Video Decoder AVOptions:
mpeg4_v4l2m2m_decoder AVOptions:
-num_output_buffers <int> .D.V....... Number of buffers in the output context (from 2 to INT_MAX) (default 16)
-num_capture_buffers <int> .D.V....... Number of buffers in the capture context (from 2 to INT_MAX) (default 20)
mpeg1_v4l2m2m_decoder AVOptions:
-num_output_buffers <int> .D.V....... Number of buffers in the output context (from 2 to INT_MAX) (default 16)
-num_capture_buffers <int> .D.V....... Number of buffers in the capture context (from 2 to INT_MAX) (default 20)
mpeg2_v4l2m2m_decoder AVOptions:
-num_output_buffers <int> .D.V....... Number of buffers in the output context (from 2 to INT_MAX) (default 16)
-num_capture_buffers <int> .D.V....... Number of buffers in the capture context (from 2 to INT_MAX) (default 20)
photocd AVOptions:
-lowres <int> .D.V....... Lower the decoding resolution by a power of two (from 0 to 4) (default 0)
rasc decoder AVOptions:
-skip_cursor <boolean> .D.V....... skip the cursor (default false)
rawdec AVOptions:
-top <boolean> .D.V....... top field first (default auto)
SMPTE 302M Decoder AVOptions:
-non_pcm_mode <int> .D..A...... Chooses what to do with NON-PCM (from 0 to 3) (default decode_drop)
copy 0 .D..A...... Pass NON-PCM through unchanged
drop 1 .D..A...... Drop NON-PCM
decode_copy 2 .D..A...... Decode if possible else passthrough
decode_drop 3 .D..A...... Decode if possible else drop
TIFF decoder AVOptions:
-subimage <boolean> .D.V....... decode subimage instead if available (default false)
-thumbnail <boolean> .D.V....... decode embedded thumbnail subimage instead if available (default false)
-page <int> .D.V....... page number of multi-page image to decode (starting from 1) (from 0 to 65535) (default 0)
V210 Decoder AVOptions:
-custom_stride <int> .D.V....... Custom V210 stride (from -1 to INT_MAX) (default 0)
vc1_v4l2m2m_decoder AVOptions:
-num_output_buffers <int> .D.V....... Number of buffers in the output context (from 2 to INT_MAX) (default 16)
-num_capture_buffers <int> .D.V....... Number of buffers in the capture context (from 2 to INT_MAX) (default 20)
vp8_v4l2m2m_decoder AVOptions:
-num_output_buffers <int> .D.V....... Number of buffers in the output context (from 2 to INT_MAX) (default 16)
-num_capture_buffers <int> .D.V....... Number of buffers in the capture context (from 2 to INT_MAX) (default 20)
vp9_v4l2m2m_decoder AVOptions:
-num_output_buffers <int> .D.V....... Number of buffers in the output context (from 2 to INT_MAX) (default 16)
-num_capture_buffers <int> .D.V....... Number of buffers in the capture context (from 2 to INT_MAX) (default 20)
AAC decoder AVOptions:
-dual_mono_mode <int> .D..A...... Select the channel to decode for dual mono (from -1 to 2) (default auto)
auto -1 .D..A...... autoselection
main 1 .D..A...... Select Main/Left channel
sub 2 .D..A...... Select Sub/Right channel
both 0 .D..A...... Select both channels
-channel_order <int> .D..A...... Order in which the channels are to be exported (from 0 to 1) (default default)
default 0 .D..A...... normal libavcodec channel order
coded 1 .D..A...... order in which the channels are coded in the bitstream
AAC decoder AVOptions:
-dual_mono_mode <int> .D..A...... Select the channel to decode for dual mono (from -1 to 2) (default auto)
auto -1 .D..A...... autoselection
main 1 .D..A...... Select Main/Left channel
sub 2 .D..A...... Select Sub/Right channel
both 0 .D..A...... Select both channels
-channel_order <int> .D..A...... Order in which the channels are to be exported (from 0 to 1) (default default)
default 0 .D..A...... normal libavcodec channel order
coded 1 .D..A...... order in which the channels are coded in the bitstream
(E-)AC3 decoder AVOptions:
-cons_noisegen <boolean> .D..A...... enable consistent noise generation (default false)
-drc_scale <float> .D..A...... percentage of dynamic range compression to apply (from 0 to 6) (default 1)
-heavy_compr <boolean> .D..A...... enable heavy dynamic range compression (default false)
-target_level <int> .D..A...... target level in -dBFS (0 not applied) (from -31 to 0) (default 0)
-downmix <channel_layout> .D..A...... Request a specific channel layout from the decoder
Fixed-Point AC-3 Decoder AVOptions:
-cons_noisegen <boolean> .D..A...... enable consistent noise generation (default false)
-drc_scale <float> .D..A...... percentage of dynamic range compression to apply (from 0 to 6) (default 1)
-heavy_compr <boolean> .D..A...... enable heavy dynamic range compression (default false)
-downmix <channel_layout> .D..A...... Request a specific channel layout from the decoder
alac AVOptions:
-extra_bits_bug <boolean> .D..A...... Force non-standard decoding process (default false)
als AVOptions:
-max_order <int> .D..A...... Sets the maximum order (ALS simple profile allows max 15) (from 0 to 1023) (default 1023)
APE decoder AVOptions:
-max_samples <int> .D..A...... maximum number of samples decoded per call (from 1 to INT_MAX) (default 4608)
all 2147483647 .D..A...... no maximum. decode all samples for each packet at once
DCA decoder AVOptions:
-core_only <boolean> .D..A...... Decode core only without extensions (default false)
-channel_order <int> .D..A...... Order in which the channels are to be exported (from 0 to 1) (default default)
default 0 .D..A...... normal libavcodec channel order
coded 1 .D..A...... order in which the channels are coded in the bitstream
-downmix <channel_layout> .D..A...... Request a specific channel layout from the decoder
Dolby E decoder AVOptions:
-channel_order <int> .D..A...... Order in which the channels are to be exported (from 0 to 1) (default default)
default 0 .D..A...... normal libavcodec channel order
coded 1 .D..A...... order in which the channels are coded in the bitstream
(E-)AC3 decoder AVOptions:
-cons_noisegen <boolean> .D..A...... enable consistent noise generation (default false)
-drc_scale <float> .D..A...... percentage of dynamic range compression to apply (from 0 to 6) (default 1)
-heavy_compr <boolean> .D..A...... enable heavy dynamic range compression (default false)
-target_level <int> .D..A...... target level in -dBFS (0 not applied) (from -31 to 0) (default 0)
-downmix <channel_layout> .D..A...... Request a specific channel layout from the decoder
evrc AVOptions:
-postfilter <boolean> .D..A...... enable postfilter (default true)
FLAC decoder AVOptions:
-use_buggy_lpc <boolean> .D..A...... emulate old buggy lavc behavior (default false)
G.723.1 decoder AVOptions:
-postfilter <boolean> .D..A...... enable postfilter (default true)
MLP decoder AVOptions:
-downmix <channel_layout> .D..A...... Request a specific channel layout from the decoder
Opus Decoder AVOptions:
-apply_phase_inv <boolean> .D..A...... Apply intensity stereo phase inversion (default true)
TrueHD decoder AVOptions:
-downmix <channel_layout> .D..A...... Request a specific channel layout from the decoder
TTA Decoder AVOptions:
-password <string> .D..A...... Set decoding password
g722 decoder AVOptions:
-bits_per_codeword <int> .D..A...... Bits per G722 codeword (from 6 to 8) (default 8)
Closed Captions Decoder AVOptions:
-real_time <boolean> .D...S..... emit subtitle events as they are decoded for real-time display (default false)
-real_time_latency_msec <int> .D...S..... minimum elapsed time between emitting real-time subtitle events (from 0 to 500) (default 200)
-data_field <int> .D...S..... select data field (from -1 to 1) (default auto)
auto -1 .D...S..... pick first one that appears
first 0 .D...S.....
second 1 .D...S.....
DVB Sub Decoder AVOptions:
-compute_edt <boolean> .D...S..... compute end of time using pts or timeout (default false)
-compute_clut <boolean> .D...S..... compute clut when not available(-1) or only once (-2) or always(1) or never(0) (default auto)
-dvb_substream <int> .D...S..... (from -1 to 63) (default -1)
dvdsubdec AVOptions:
-palette <string> .D...S..... set the global palette
-ifo_palette <string> .D...S..... obtain the global palette from .IFO file
-forced_subs_only <boolean> .D...S..... Only show forced subtitles (default false)
MOV text decoder AVOptions:
-width <int> .D...S..... Frame width, usually video width (from 0 to INT_MAX) (default 0)
-height <int> .D...S..... Frame height, usually video height (from 0 to INT_MAX) (default 0)
PGS subtitle decoder AVOptions:
-forced_subs_only <boolean> .D...S..... Only show forced subtitles (default false)
text/vplayer/stl/pjs/subviewer1 decoder AVOptions:
-keep_ass_markup <boolean> .D...S..... Set if ASS tags must be escaped (default false)
text/vplayer/stl/pjs/subviewer1 decoder AVOptions:
-keep_ass_markup <boolean> .D...S..... Set if ASS tags must be escaped (default false)
text/vplayer/stl/pjs/subviewer1 decoder AVOptions:
-keep_ass_markup <boolean> .D...S..... Set if ASS tags must be escaped (default false)
text/vplayer/stl/pjs/subviewer1 decoder AVOptions:
-keep_ass_markup <boolean> .D...S..... Set if ASS tags must be escaped (default false)
text/vplayer/stl/pjs/subviewer1 decoder AVOptions:
-keep_ass_markup <boolean> .D...S..... Set if ASS tags must be escaped (default false)
libdav1d decoder AVOptions:
-tilethreads <int> .D.V......P Tile threads (from 0 to 256) (default 0)
-framethreads <int> .D.V......P Frame threads (from 0 to 256) (default 0)
-max_frame_delay <int> .D.V....... Max frame delay (from 0 to 256) (default 0)
-filmgrain <boolean> .D.V......P Apply Film Grain (default auto)
-oppoint <int> .D.V....... Select an operating point of the scalable bitstream (from -1 to 31) (default -1)
-alllayers <boolean> .D.V....... Output all spatial layers (default false)
libopusdec AVOptions:
-apply_phase_inv <boolean> .D..A...... Apply intensity stereo phase inversion (default true)
AV1 decoder AVOptions:
-operating_point <int> .D.V....... Select an operating point of the scalable bitstream (from 0 to 31) (default 0)
AVFormatContext AVOptions:
-avioflags <flags> ED......... (default 0)
direct ED......... reduce buffering
-probesize <int64> .D......... set probing size (from 32 to I64_MAX) (default 5000000)
-formatprobesize <int> .D......... number of bytes to probe file format (from 0 to 2.14748e+09) (default 1048576)
-fflags <flags> ED......... (default autobsf)
ignidx .D......... ignore index
genpts .D......... generate pts
nofillin .D......... do not fill in missing values that can be exactly calculated
noparse .D......... disable AVParsers, this needs nofillin too
igndts .D......... ignore dts
discardcorrupt .D......... discard corrupted frames
sortdts .D......... try to interleave outputted packets by dts
fastseek .D......... fast but inaccurate seeks
nobuffer .D......... reduce the latency introduced by optional buffering
-seek2any <boolean> .D......... allow seeking to non-keyframes on demuxer level when supported (default false)
-analyzeduration <int64> .D......... specify how many microseconds are analyzed to probe the input (from 0 to I64_MAX) (default 0)
-cryptokey <binary> .D......... decryption key
-indexmem <int> .D......... max memory used for timestamp index (per stream) (from 0 to INT_MAX) (default 1048576)
-rtbufsize <int> .D......... max memory used for buffering real-time frames (from 0 to INT_MAX) (default 3041280)
-fdebug <flags> ED......... print specific debug info (default 0)
ts ED.........
-max_delay <int> ED......... maximum muxing or demuxing delay in microseconds (from -1 to INT_MAX) (default -1)
-fpsprobesize <int> .D......... number of frames used to probe fps (from -1 to 2.14748e+09) (default -1)
-f_err_detect <flags> .D......... set error detection flags (deprecated; use err_detect, save via avconv) (default crccheck)
crccheck .D......... verify embedded CRCs
bitstream .D......... detect bitstream specification deviations
buffer .D......... detect improper bitstream length
explode .D......... abort decoding on minor error detection
ignore_err .D......... ignore errors
careful .D......... consider things that violate the spec, are fast to check and have not been seen in the wild as errors
compliant .D......... consider all spec non compliancies as errors
aggressive .D......... consider things that a sane encoder shouldn't do as an error
-err_detect <flags> .D......... set error detection flags (default crccheck)
crccheck .D......... verify embedded CRCs
bitstream .D......... detect bitstream specification deviations
buffer .D......... detect improper bitstream length
explode .D......... abort decoding on minor error detection
ignore_err .D......... ignore errors
careful .D......... consider things that violate the spec, are fast to check and have not been seen in the wild as errors
compliant .D......... consider all spec non compliancies as errors
aggressive .D......... consider things that a sane encoder shouldn't do as an error
-use_wallclock_as_timestamps <boolean> .D......... use wallclock as timestamps (default false)
-skip_initial_bytes <int64> .D......... set number of bytes to skip before reading header and frames (from 0 to I64_MAX) (default 0)
-correct_ts_overflow <boolean> .D......... correct single timestamp overflows (default true)
-f_strict <int> ED......... how strictly to follow the standards (deprecated; use strict, save via avconv) (from INT_MIN to INT_MAX) (default normal)
very 2 ED......... strictly conform to a older more strict version of the spec or reference software
strict 1 ED......... strictly conform to all the things in the spec no matter what the consequences
normal 0 ED.........
unofficial -1 ED......... allow unofficial extensions
experimental -2 ED......... allow non-standardized experimental variants
-strict <int> ED......... how strictly to follow the standards (from INT_MIN to INT_MAX) (default normal)
very 2 ED......... strictly conform to a older more strict version of the spec or reference software
strict 1 ED......... strictly conform to all the things in the spec no matter what the consequences
normal 0 ED.........
unofficial -1 ED......... allow unofficial extensions
experimental -2 ED......... allow non-standardized experimental variants
-max_ts_probe <int> .D......... maximum number of packets to read while waiting for the first timestamp (from 0 to INT_MAX) (default 50)
-dump_separator <string> ED......... set information dump field separator (default ", ")
-codec_whitelist <string> .D......... List of decoders that are allowed to be used
-format_whitelist <string> .D......... List of demuxers that are allowed to be used
-protocol_whitelist <string> .D......... List of protocols that are allowed to be used
-protocol_blacklist <string> .D......... List of protocols that are not allowed to be used
-max_streams <int> .D......... maximum number of streams (from 0 to INT_MAX) (default 1000)
-skip_estimate_duration_from_pts <boolean> .D......... skip duration calculation in estimate_timings_from_pts (default false)
-max_probe_packets <int> .D......... Maximum number of packets to probe a codec (from 0 to INT_MAX) (default 2500)
-duration_probesize <int64> .D......... Maximum number of bytes to probe the durations of the streams in estimate_timings_from_pts (from 0 to I64_MAX) (default 0)
AVIOContext AVOptions:
-protocol_whitelist <string> .D......... List of protocols that are allowed to be used
URLContext AVOptions:
-protocol_whitelist <string> .D......... List of protocols that are allowed to be used
-protocol_blacklist <string> .D......... List of protocols that are not allowed to be used
-rw_timeout <int64> ED......... Timeout for IO operations (in microseconds) (from 0 to I64_MAX) (default 0)
Async AVOptions:
cache AVOptions:
-read_ahead_limit <int> .D......... Amount in bytes that may be read ahead when seeking isn't supported, -1 for unlimited (from -1 to INT_MAX) (default 65536)
crypto AVOptions:
-key <binary> ED......... AES encryption/decryption key
-iv <binary> ED......... AES encryption/decryption initialization vector
-decryption_key <binary> .D......... AES decryption key
-decryption_iv <binary> .D......... AES decryption initialization vector
fd AVOptions:
ffrtmpcrypt AVOptions:
-ffrtmpcrypt_tunneling <int> .D......... Use a HTTP tunneling connection (RTMPTE). (from 0 to 1) (default 0)
ffrtmphttp AVOptions:
-ffrtmphttp_tls <boolean> .D......... Use a HTTPS tunneling connection (RTMPTS). (default false)
file AVOptions:
-follow <int> .D......... Follow a file as it is being written (from 0 to 1) (default 0)
-seekable <int> ED......... Sets if the file is seekable (from -1 to 0) (default -1)
ftp AVOptions:
-timeout <int> ED......... set timeout of socket I/O operations (from -1 to INT_MAX) (default -1)
-ftp-anonymous-password <string> ED......... password for anonymous login. E-mail address should be used.
-ftp-user <string> ED......... user for FTP login. Overridden by whatever is in the URL.
-ftp-password <string> ED......... password for FTP login. Overridden by whatever is in the URL.
http AVOptions:
-seekable <boolean> .D......... control seekability of connection (default auto)
-http_proxy <string> ED......... set HTTP proxy to tunnel through
-headers <string> ED......... set custom HTTP headers, can override built in default headers
-content_type <string> ED......... set a specific content type for the POST messages
-user_agent <string> .D......... override User-Agent header (default "Lavf/62.3.103")
-referer <string> .D......... override referer header
-multiple_requests <boolean> ED......... use persistent connections (default false)
-post_data <binary> ED......... set custom HTTP post data
-cookies <string> .D......... set cookies to be sent in applicable future requests, use newline delimited Set-Cookie HTTP field value syntax
-icy <boolean> .D......... request ICY metadata (default true)
-auth_type <int> ED......... HTTP authentication type (from 0 to 1) (default none)
none 0 ED......... No auth method set, autodetect
basic 1 ED......... HTTP basic authentication
-location <string> ED......... The actual location of the data received
-offset <int64> .D......... initial byte offset (from 0 to I64_MAX) (default 0)
-end_offset <int64> .D......... try to limit the request to bytes preceding this offset (from 0 to I64_MAX) (default 0)
-method <string> ED......... Override the HTTP method or set the expected HTTP method from a client
-reconnect <boolean> .D......... auto reconnect after disconnect before EOF (default false)
-reconnect_at_eof <boolean> .D......... auto reconnect at EOF (default false)
-reconnect_on_network_error <boolean> .D......... auto reconnect in case of tcp/tls error during connect (default false)
-reconnect_on_http_error <string> .D......... list of http status codes to reconnect on
-reconnect_streamed <boolean> .D......... auto reconnect streamed / non seekable streams (default false)
-reconnect_delay_max <int> .D......... max reconnect delay in seconds after which to give up (from 0 to 4294) (default 120)
-reconnect_max_retries <int> .D......... the max number of times to retry a connection (from -1 to INT_MAX) (default -1)
-reconnect_delay_total_max <int> .D......... max total reconnect delay in seconds after which to give up (from 0 to 4294) (default 256)
-respect_retry_after <boolean> .D......... respect the Retry-After header when retrying connections (default true)
-listen <int> ED......... listen on HTTP (from 0 to 2) (default 0)
-short_seek_size <int> .D......... Threshold to favor readahead over seek. (from 0 to INT_MAX) (default 0)
-max_redirects <int> .D......... Maximum number of redirects (from 0 to INT_MAX) (default 8)
https AVOptions:
-seekable <boolean> .D......... control seekability of connection (default auto)
-http_proxy <string> ED......... set HTTP proxy to tunnel through
-headers <string> ED......... set custom HTTP headers, can override built in default headers
-content_type <string> ED......... set a specific content type for the POST messages
-user_agent <string> .D......... override User-Agent header (default "Lavf/62.3.103")
-referer <string> .D......... override referer header
-multiple_requests <boolean> ED......... use persistent connections (default false)
-post_data <binary> ED......... set custom HTTP post data
-cookies <string> .D......... set cookies to be sent in applicable future requests, use newline delimited Set-Cookie HTTP field value syntax
-icy <boolean> .D......... request ICY metadata (default true)
-auth_type <int> ED......... HTTP authentication type (from 0 to 1) (default none)
none 0 ED......... No auth method set, autodetect
basic 1 ED......... HTTP basic authentication
-location <string> ED......... The actual location of the data received
-offset <int64> .D......... initial byte offset (from 0 to I64_MAX) (default 0)
-end_offset <int64> .D......... try to limit the request to bytes preceding this offset (from 0 to I64_MAX) (default 0)
-method <string> ED......... Override the HTTP method or set the expected HTTP method from a client
-reconnect <boolean> .D......... auto reconnect after disconnect before EOF (default false)
-reconnect_at_eof <boolean> .D......... auto reconnect at EOF (default false)
-reconnect_on_network_error <boolean> .D......... auto reconnect in case of tcp/tls error during connect (default false)
-reconnect_on_http_error <string> .D......... list of http status codes to reconnect on
-reconnect_streamed <boolean> .D......... auto reconnect streamed / non seekable streams (default false)
-reconnect_delay_max <int> .D......... max reconnect delay in seconds after which to give up (from 0 to 4294) (default 120)
-reconnect_max_retries <int> .D......... the max number of times to retry a connection (from -1 to INT_MAX) (default -1)
-reconnect_delay_total_max <int> .D......... max total reconnect delay in seconds after which to give up (from 0 to 4294) (default 256)
-respect_retry_after <boolean> .D......... respect the Retry-After header when retrying connections (default true)
-listen <int> ED......... listen on HTTP (from 0 to 2) (default 0)
-short_seek_size <int> .D......... Threshold to favor readahead over seek. (from 0 to INT_MAX) (default 0)
-max_redirects <int> .D......... Maximum number of redirects (from 0 to INT_MAX) (default 8)
icecast AVOptions:
pipe AVOptions:
prompeg AVOptions:
rtmp AVOptions:
-rtmp_app <string> ED......... Name of application to connect to on the RTMP server
-rtmp_buffer <int> ED......... Set buffer time in milliseconds. The default is 3000. (from 0 to INT_MAX) (default 3000)
-rtmp_conn <string> ED......... Append arbitrary AMF data to the Connect message
-rtmp_flashver <string> ED......... Version of the Flash plugin used to run the SWF player.
-rtmp_live <int> .D......... Specify that the media is a live stream. (from INT_MIN to INT_MAX) (default any)
any -2 .D......... both
live -1 .D......... live stream
recorded 0 .D......... recorded stream
-rtmp_pageurl <string> .D......... URL of the web page in which the media was embedded. By default no value will be sent.
-rtmp_playpath <string> ED......... Stream identifier to play or to publish
-rtmp_subscribe <string> .D......... Name of live stream to subscribe to. Defaults to rtmp_playpath.
-rtmp_swfhash <binary> .D......... SHA256 hash of the decompressed SWF file (32 bytes).
-rtmp_swfsize <int> .D......... Size of the decompressed SWF file, required for SWFVerification. (from 0 to INT_MAX) (default 0)
-rtmp_swfurl <string> ED......... URL of the SWF player. By default no value will be sent
-rtmp_swfverify <string> .D......... URL to player swf file, compute hash/size automatically.
-rtmp_tcurl <string> ED......... URL of the target stream. Defaults to proto://host[:port]/app.
-rtmp_listen <int> .D......... Listen for incoming rtmp connections (from INT_MIN to INT_MAX) (default 0)
-listen <int> .D......... Listen for incoming rtmp connections (from INT_MIN to INT_MAX) (default 0)
-tcp_nodelay <int> ED......... Use TCP_NODELAY to disable Nagle's algorithm (from 0 to 1) (default 0)
-timeout <int> .D......... Maximum timeout (in seconds) to wait for incoming connections. -1 is infinite. Implies -rtmp_listen 1 (from INT_MIN to INT_MAX) (default -1)
rtmpe AVOptions:
-rtmp_app <string> ED......... Name of application to connect to on the RTMP server
-rtmp_buffer <int> ED......... Set buffer time in milliseconds. The default is 3000. (from 0 to INT_MAX) (default 3000)
-rtmp_conn <string> ED......... Append arbitrary AMF data to the Connect message
-rtmp_flashver <string> ED......... Version of the Flash plugin used to run the SWF player.
-rtmp_live <int> .D......... Specify that the media is a live stream. (from INT_MIN to INT_MAX) (default any)
any -2 .D......... both
live -1 .D......... live stream
recorded 0 .D......... recorded stream
-rtmp_pageurl <string> .D......... URL of the web page in which the media was embedded. By default no value will be sent.
-rtmp_playpath <string> ED......... Stream identifier to play or to publish
-rtmp_subscribe <string> .D......... Name of live stream to subscribe to. Defaults to rtmp_playpath.
-rtmp_swfhash <binary> .D......... SHA256 hash of the decompressed SWF file (32 bytes).
-rtmp_swfsize <int> .D......... Size of the decompressed SWF file, required for SWFVerification. (from 0 to INT_MAX) (default 0)
-rtmp_swfurl <string> ED......... URL of the SWF player. By default no value will be sent
-rtmp_swfverify <string> .D......... URL to player swf file, compute hash/size automatically.
-rtmp_tcurl <string> ED......... URL of the target stream. Defaults to proto://host[:port]/app.
-rtmp_listen <int> .D......... Listen for incoming rtmp connections (from INT_MIN to INT_MAX) (default 0)
-listen <int> .D......... Listen for incoming rtmp connections (from INT_MIN to INT_MAX) (default 0)
-tcp_nodelay <int> ED......... Use TCP_NODELAY to disable Nagle's algorithm (from 0 to 1) (default 0)
-timeout <int> .D......... Maximum timeout (in seconds) to wait for incoming connections. -1 is infinite. Implies -rtmp_listen 1 (from INT_MIN to INT_MAX) (default -1)
rtmps AVOptions:
-rtmp_app <string> ED......... Name of application to connect to on the RTMP server
-rtmp_buffer <int> ED......... Set buffer time in milliseconds. The default is 3000. (from 0 to INT_MAX) (default 3000)
-rtmp_conn <string> ED......... Append arbitrary AMF data to the Connect message
-rtmp_flashver <string> ED......... Version of the Flash plugin used to run the SWF player.
-rtmp_live <int> .D......... Specify that the media is a live stream. (from INT_MIN to INT_MAX) (default any)
any -2 .D......... both
live -1 .D......... live stream
recorded 0 .D......... recorded stream
-rtmp_pageurl <string> .D......... URL of the web page in which the media was embedded. By default no value will be sent.
-rtmp_playpath <string> ED......... Stream identifier to play or to publish
-rtmp_subscribe <string> .D......... Name of live stream to subscribe to. Defaults to rtmp_playpath.
-rtmp_swfhash <binary> .D......... SHA256 hash of the decompressed SWF file (32 bytes).
-rtmp_swfsize <int> .D......... Size of the decompressed SWF file, required for SWFVerification. (from 0 to INT_MAX) (default 0)
-rtmp_swfurl <string> ED......... URL of the SWF player. By default no value will be sent
-rtmp_swfverify <string> .D......... URL to player swf file, compute hash/size automatically.
-rtmp_tcurl <string> ED......... URL of the target stream. Defaults to proto://host[:port]/app.
-rtmp_listen <int> .D......... Listen for incoming rtmp connections (from INT_MIN to INT_MAX) (default 0)
-listen <int> .D......... Listen for incoming rtmp connections (from INT_MIN to INT_MAX) (default 0)
-tcp_nodelay <int> ED......... Use TCP_NODELAY to disable Nagle's algorithm (from 0 to 1) (default 0)
-timeout <int> .D......... Maximum timeout (in seconds) to wait for incoming connections. -1 is infinite. Implies -rtmp_listen 1 (from INT_MIN to INT_MAX) (default -1)
rtmpt AVOptions:
-rtmp_app <string> ED......... Name of application to connect to on the RTMP server
-rtmp_buffer <int> ED......... Set buffer time in milliseconds. The default is 3000. (from 0 to INT_MAX) (default 3000)
-rtmp_conn <string> ED......... Append arbitrary AMF data to the Connect message
-rtmp_flashver <string> ED......... Version of the Flash plugin used to run the SWF player.
-rtmp_live <int> .D......... Specify that the media is a live stream. (from INT_MIN to INT_MAX) (default any)
any -2 .D......... both
live -1 .D......... live stream
recorded 0 .D......... recorded stream
-rtmp_pageurl <string> .D......... URL of the web page in which the media was embedded. By default no value will be sent.
-rtmp_playpath <string> ED......... Stream identifier to play or to publish
-rtmp_subscribe <string> .D......... Name of live stream to subscribe to. Defaults to rtmp_playpath.
-rtmp_swfhash <binary> .D......... SHA256 hash of the decompressed SWF file (32 bytes).
-rtmp_swfsize <int> .D......... Size of the decompressed SWF file, required for SWFVerification. (from 0 to INT_MAX) (default 0)
-rtmp_swfurl <string> ED......... URL of the SWF player. By default no value will be sent
-rtmp_swfverify <string> .D......... URL to player swf file, compute hash/size automatically.
-rtmp_tcurl <string> ED......... URL of the target stream. Defaults to proto://host[:port]/app.
-rtmp_listen <int> .D......... Listen for incoming rtmp connections (from INT_MIN to INT_MAX) (default 0)
-listen <int> .D......... Listen for incoming rtmp connections (from INT_MIN to INT_MAX) (default 0)
-tcp_nodelay <int> ED......... Use TCP_NODELAY to disable Nagle's algorithm (from 0 to 1) (default 0)
-timeout <int> .D......... Maximum timeout (in seconds) to wait for incoming connections. -1 is infinite. Implies -rtmp_listen 1 (from INT_MIN to INT_MAX) (default -1)
rtmpte AVOptions:
-rtmp_app <string> ED......... Name of application to connect to on the RTMP server
-rtmp_buffer <int> ED......... Set buffer time in milliseconds. The default is 3000. (from 0 to INT_MAX) (default 3000)
-rtmp_conn <string> ED......... Append arbitrary AMF data to the Connect message
-rtmp_flashver <string> ED......... Version of the Flash plugin used to run the SWF player.
-rtmp_live <int> .D......... Specify that the media is a live stream. (from INT_MIN to INT_MAX) (default any)
any -2 .D......... both
live -1 .D......... live stream
recorded 0 .D......... recorded stream
-rtmp_pageurl <string> .D......... URL of the web page in which the media was embedded. By default no value will be sent.
-rtmp_playpath <string> ED......... Stream identifier to play or to publish
-rtmp_subscribe <string> .D......... Name of live stream to subscribe to. Defaults to rtmp_playpath.
-rtmp_swfhash <binary> .D......... SHA256 hash of the decompressed SWF file (32 bytes).
-rtmp_swfsize <int> .D......... Size of the decompressed SWF file, required for SWFVerification. (from 0 to INT_MAX) (default 0)
-rtmp_swfurl <string> ED......... URL of the SWF player. By default no value will be sent
-rtmp_swfverify <string> .D......... URL to player swf file, compute hash/size automatically.
-rtmp_tcurl <string> ED......... URL of the target stream. Defaults to proto://host[:port]/app.
-rtmp_listen <int> .D......... Listen for incoming rtmp connections (from INT_MIN to INT_MAX) (default 0)
-listen <int> .D......... Listen for incoming rtmp connections (from INT_MIN to INT_MAX) (default 0)
-tcp_nodelay <int> ED......... Use TCP_NODELAY to disable Nagle's algorithm (from 0 to 1) (default 0)
-timeout <int> .D......... Maximum timeout (in seconds) to wait for incoming connections. -1 is infinite. Implies -rtmp_listen 1 (from INT_MIN to INT_MAX) (default -1)
rtmpts AVOptions:
-rtmp_app <string> ED......... Name of application to connect to on the RTMP server
-rtmp_buffer <int> ED......... Set buffer time in milliseconds. The default is 3000. (from 0 to INT_MAX) (default 3000)
-rtmp_conn <string> ED......... Append arbitrary AMF data to the Connect message
-rtmp_flashver <string> ED......... Version of the Flash plugin used to run the SWF player.
-rtmp_live <int> .D......... Specify that the media is a live stream. (from INT_MIN to INT_MAX) (default any)
any -2 .D......... both
live -1 .D......... live stream
recorded 0 .D......... recorded stream
-rtmp_pageurl <string> .D......... URL of the web page in which the media was embedded. By default no value will be sent.
-rtmp_playpath <string> ED......... Stream identifier to play or to publish
-rtmp_subscribe <string> .D......... Name of live stream to subscribe to. Defaults to rtmp_playpath.
-rtmp_swfhash <binary> .D......... SHA256 hash of the decompressed SWF file (32 bytes).
-rtmp_swfsize <int> .D......... Size of the decompressed SWF file, required for SWFVerification. (from 0 to INT_MAX) (default 0)
-rtmp_swfurl <string> ED......... URL of the SWF player. By default no value will be sent
-rtmp_swfverify <string> .D......... URL to player swf file, compute hash/size automatically.
-rtmp_tcurl <string> ED......... URL of the target stream. Defaults to proto://host[:port]/app.
-rtmp_listen <int> .D......... Listen for incoming rtmp connections (from INT_MIN to INT_MAX) (default 0)
-listen <int> .D......... Listen for incoming rtmp connections (from INT_MIN to INT_MAX) (default 0)
-tcp_nodelay <int> ED......... Use TCP_NODELAY to disable Nagle's algorithm (from 0 to 1) (default 0)
-timeout <int> .D......... Maximum timeout (in seconds) to wait for incoming connections. -1 is infinite. Implies -rtmp_listen 1 (from INT_MIN to INT_MAX) (default -1)
rtp AVOptions:
-ttl <int> ED......... Time to live (multicast only) (from -1 to 255) (default -1)
-buffer_size <int> ED......... Send/Receive buffer size (in bytes) (from -1 to INT_MAX) (default -1)
-rtcp_port <int> ED......... Custom rtcp port (from -1 to INT_MAX) (default -1)
-local_rtpport <int> ED......... Local rtp port (from -1 to INT_MAX) (default -1)
-local_rtcpport <int> ED......... Local rtcp port (from -1 to INT_MAX) (default -1)
-connect <boolean> ED......... Connect socket (default false)
-write_to_source <boolean> ED......... Send packets to the source address of the latest received packet (default false)
-pkt_size <int> ED......... Maximum packet size (from -1 to INT_MAX) (default -1)
-dscp <int> ED......... DSCP class (from -1 to INT_MAX) (default -1)
-timeout <int64> ED......... set timeout (in microseconds) of socket I/O operations (from -1 to I64_MAX) (default -1)
-sources <string> ED......... Source list
-block <string> ED......... Block list
-localaddr <string> ED......... Local address
srtp AVOptions:
-srtp_in_suite <string> .D.........
-srtp_in_params <string> .D.........
subfile AVOptions:
-start <int64> .D......... start offset (from 0 to I64_MAX) (default 0)
-end <int64> .D......... end offset (from 0 to I64_MAX) (default 0)
tcp AVOptions:
-listen <int> ED......... Listen for incoming connections (from 0 to 2) (default 0)
-local_port <string> ED......... Local port
-local_addr <string> ED......... Local address
-timeout <int> ED......... set timeout (in microseconds) of socket I/O operations (from -1 to INT_MAX) (default -1)
-listen_timeout <int> ED......... Connection awaiting timeout (in milliseconds) (from -1 to INT_MAX) (default -1)
-send_buffer_size <int> ED......... Socket send buffer size (in bytes) (from -1 to INT_MAX) (default -1)
-recv_buffer_size <int> ED......... Socket receive buffer size (in bytes) (from -1 to INT_MAX) (default -1)
-tcp_nodelay <boolean> ED......... Use TCP_NODELAY to disable nagle's algorithm (default false)
-tcp_mss <int> ED......... Maximum segment size for outgoing TCP packets (from -1 to INT_MAX) (default -1)
tls AVOptions:
-listen <int> ED......... Listen for incoming connections (from 0 to 1) (default 0)
-http_proxy <string> ED......... Set proxy to tunnel through
-external_sock <int> ED......... Use external socket (from 0 to 1) (default 0)
-mtu <int> ED......... Maximum Transmission Unit (from 0 to INT_MAX) (default 0)
-cert_pem <string> ED......... Certificate PEM string
-key_pem <string> ED......... Private key PEM string
-ca_file <string> ED......... Certificate Authority database file
-cafile <string> ED......... Certificate Authority database file
-tls_verify <int> ED......... Verify the peer certificate (from 0 to 1) (default 0)
-cert_file <string> ED......... Certificate file
-key_file <string> ED......... Private key file
-verifyhost <string> ED......... Verify against a specific hostname
dtls AVOptions:
-listen <int> ED......... Listen for incoming connections (from 0 to 1) (default 0)
-http_proxy <string> ED......... Set proxy to tunnel through
-external_sock <int> ED......... Use external socket (from 0 to 1) (default 0)
-mtu <int> ED......... Maximum Transmission Unit (from 0 to INT_MAX) (default 0)
-cert_pem <string> ED......... Certificate PEM string
-key_pem <string> ED......... Private key PEM string
-ca_file <string> ED......... Certificate Authority database file
-cafile <string> ED......... Certificate Authority database file
-tls_verify <int> ED......... Verify the peer certificate (from 0 to 1) (default 0)
-cert_file <string> ED......... Certificate file
-key_file <string> ED......... Private key file
-verifyhost <string> ED......... Verify against a specific hostname
udp AVOptions:
-buffer_size <int> ED......... System data size (in bytes) (from -1 to INT_MAX) (default -1)
-localport <int> ED......... Local port (from -1 to INT_MAX) (default -1)
-local_port <int> ED......... Local port (from -1 to INT_MAX) (default -1)
-localaddr <string> ED......... Local address
-udplite_coverage <int> ED......... choose UDPLite head size which should be validated by checksum (from 0 to INT_MAX) (default 0)
-pkt_size <int> ED......... Maximum UDP packet size (from -1 to INT_MAX) (default 1472)
-reuse <boolean> ED......... explicitly allow reusing UDP sockets (default auto)
-reuse_socket <boolean> ED......... explicitly allow reusing UDP sockets (default auto)
-connect <boolean> ED......... set if connect() should be called on socket (default false)
-fifo_size <int> .D......... set the UDP receiving circular buffer size, expressed as a number of packets with size of 188 bytes (from 0 to INT_MAX) (default 28672)
-overrun_nonfatal <boolean> .D......... survive in case of UDP receiving circular buffer overrun (default false)
-timeout <int> .D......... set raise error timeout, in microseconds (only in read mode) (from 0 to INT_MAX) (default 0)
-sources <string> ED......... Source list
-block <string> ED......... Block list
udplite AVOptions:
-buffer_size <int> ED......... System data size (in bytes) (from -1 to INT_MAX) (default -1)
-localport <int> ED......... Local port (from -1 to INT_MAX) (default -1)
-local_port <int> ED......... Local port (from -1 to INT_MAX) (default -1)
-localaddr <string> ED......... Local address
-udplite_coverage <int> ED......... choose UDPLite head size which should be validated by checksum (from 0 to INT_MAX) (default 0)
-pkt_size <int> ED......... Maximum UDP packet size (from -1 to INT_MAX) (default 1472)
-reuse <boolean> ED......... explicitly allow reusing UDP sockets (default auto)
-reuse_socket <boolean> ED......... explicitly allow reusing UDP sockets (default auto)
-connect <boolean> ED......... set if connect() should be called on socket (default false)
-fifo_size <int> .D......... set the UDP receiving circular buffer size, expressed as a number of packets with size of 188 bytes (from 0 to INT_MAX) (default 28672)
-overrun_nonfatal <boolean> .D......... survive in case of UDP receiving circular buffer overrun (default false)
-timeout <int> .D......... set raise error timeout, in microseconds (only in read mode) (from 0 to INT_MAX) (default 0)
-sources <string> ED......... Source list
-block <string> ED......... Block list
unix AVOptions:
-listen <boolean> ED......... Open socket for listening (default false)
-timeout <int> ED......... Timeout in ms (from -1 to INT_MAX) (default -1)
-type <int> ED......... Socket type (from INT_MIN to INT_MAX) (default stream)
stream 1 ED......... Stream (reliable stream-oriented)
datagram 2 ED......... Datagram (unreliable packet-oriented)
seqpacket 5 ED......... Seqpacket (reliable packet-oriented
libsrt AVOptions:
-timeout <int64> ED......... Timeout of socket I/O operations (in microseconds) (from -1 to I64_MAX) (default -1)
-listen_timeout <int64> ED......... Connection awaiting timeout (in microseconds) (from -1 to I64_MAX) (default -1)
-send_buffer_size <int> ED......... Socket send buffer size (in bytes) (from -1 to INT_MAX) (default -1)
-recv_buffer_size <int> ED......... Socket receive buffer size (in bytes) (from -1 to INT_MAX) (default -1)
-pkt_size <int> ED......... Maximum SRT packet size (from -1 to 1456) (default -1)
ts_size 1316 ED.........
max_size 1456 ED.........
-payload_size <int> ED......... Maximum SRT packet size (from -1 to 1456) (default -1)
ts_size 1316 ED.........
max_size 1456 ED.........
-maxbw <int64> ED......... Maximum bandwidth (bytes per second) that the connection can use (from -1 to I64_MAX) (default -1)
-pbkeylen <int> ED......... Crypto key len in bytes {16,24,32} Default: 16 (128-bit) (from -1 to 32) (default -1)
-passphrase <string> ED......... Crypto PBKDF2 Passphrase size[0,10..64] 0:disable crypto
-enforced_encryption <boolean> ED......... Enforces that both connection parties have the same passphrase set (default auto)
-kmrefreshrate <int> ED......... The number of packets to be transmitted after which the encryption key is switched to a new key (from -1 to INT_MAX) (default -1)
-kmpreannounce <int> ED......... The interval between when a new encryption key is sent and when switchover occurs (from -1 to INT_MAX) (default -1)
-snddropdelay <int64> ED......... The sender's extra delay(in microseconds) before dropping packets (from -2 to I64_MAX) (default -2)
-mss <int> ED......... The Maximum Segment Size (from -1 to 1500) (default -1)
-ffs <int> ED......... Flight flag size (window size) (in bytes) (from -1 to INT_MAX) (default -1)
-ipttl <int> ED......... IP Time To Live (from -1 to 255) (default -1)
-iptos <int> ED......... IP Type of Service (from -1 to 255) (default -1)
-inputbw <int64> ED......... Estimated input stream rate (from -1 to I64_MAX) (default -1)
-oheadbw <int> ED......... MaxBW ceiling based on % over input stream rate (from -1 to 100) (default -1)
-latency <int64> ED......... receiver delay (in microseconds) to absorb bursts of missed packet retransmissions (from -1 to I64_MAX) (default -1)
-tsbpddelay <int64> ED......... deprecated, same effect as latency option (from -1 to I64_MAX) (default -1)
-rcvlatency <int64> ED......... receive latency (in microseconds) (from -1 to I64_MAX) (default -1)
-peerlatency <int64> ED......... peer latency (in microseconds) (from -1 to I64_MAX) (default -1)
-tlpktdrop <boolean> ED......... Enable too-late pkt drop (default auto)
-nakreport <boolean> ED......... Enable receiver to send periodic NAK reports (default auto)
-connect_timeout <int64> ED......... Connect timeout(in milliseconds). Caller default: 3000, rendezvous (x 10) (from -1 to I64_MAX) (default -1)
-mode <int> ED......... Connection mode (caller, listener, rendezvous) (from 0 to 2) (default caller)
caller 0 ED.........
listener 1 ED.........
rendezvous 2 ED.........
-sndbuf <int> ED......... Send buffer size (in bytes) (from -1 to INT_MAX) (default -1)
-rcvbuf <int> ED......... Receive buffer size (in bytes) (from -1 to INT_MAX) (default -1)
-lossmaxttl <int> ED......... Maximum possible packet reorder tolerance (from -1 to INT_MAX) (default -1)
-minversion <int> ED......... The minimum SRT version that is required from the peer (from -1 to INT_MAX) (default -1)
-streamid <string> ED......... A string of up to 512 characters that an Initiator can pass to a Responder
-srt_streamid <string> ED......... A string of up to 512 characters that an Initiator can pass to a Responder
-smoother <string> ED......... The type of Smoother used for the transmission for that socket
-messageapi <boolean> ED......... Enable message API (default auto)
-transtype <int> ED......... The transmission type for the socket (from 0 to 2) (default 2)
live 0 ED.........
file 1 ED.........
-linger <int> ED......... Number of seconds that the socket waits for unsent data when closing (from -1 to INT_MAX) (default -1)
-tsbpd <boolean> ED......... Timestamp-based packet delivery (default auto)
libssh AVOptions:
-timeout <int> ED......... set timeout of socket I/O operations (from -1 to INT_MAX) (default -1)
-private_key <string> ED......... set path to private key
IPFS Gateway AVOptions:
-gateway <string> .D......... The gateway to ask for IPFS data.
IPFS Gateway AVOptions:
-gateway <string> .D......... The gateway to ask for IPFS data.
AC4 muxer AVOptions:
ADTS muxer AVOptions:
AIFF muxer AVOptions:
alp AVOptions:
APNG muxer AVOptions:
argo_asf_muxer AVOptions:
argo_cvg_muxer AVOptions:
ASF (stream) muxer AVOptions:
ass muxer AVOptions:
AST muxer AVOptions:
ASF (stream) muxer AVOptions:
AVI muxer AVOptions:
avif muxer AVOptions:
dash muxer AVOptions:
mov/mp4/tgp/psp/tg2/ipod/ismv/f4v muxer AVOptions:
Fifo muxer AVOptions:
flac muxer AVOptions:
flv muxer AVOptions:
frame hash muxer AVOptions:
frame MD5 muxer AVOptions:
GIF muxer AVOptions:
(stream) hash muxer AVOptions:
HDS muxer AVOptions:
hls muxer AVOptions:
image2 muxer AVOptions:
mov/mp4/tgp/psp/tg2/ipod/ismv/f4v muxer AVOptions:
mov/mp4/tgp/psp/tg2/ipod/ismv/f4v muxer AVOptions:
LATM/LOAS muxer AVOptions:
lrc AVOptions:
mcc muxer AVOptions:
MD5 muxer AVOptions:
matroska/webm muxer AVOptions:
matroska/webm muxer AVOptions:
mov/mp4/tgp/psp/tg2/ipod/ismv/f4v muxer AVOptions:
MP3 muxer AVOptions:
mov/mp4/tgp/psp/tg2/ipod/ismv/f4v muxer AVOptions:
mpeg/(s)vcd/vob/dvd muxer AVOptions:
mpeg/(s)vcd/vob/dvd muxer AVOptions:
mpeg/(s)vcd/vob/dvd muxer AVOptions:
mpeg/(s)vcd/vob/dvd muxer AVOptions:
mpeg/(s)vcd/vob/dvd muxer AVOptions:
MPEGTS muxer AVOptions:
mpjpeg_muxer AVOptions:
MXF muxer AVOptions:
MXF-D10 muxer AVOptions:
MXF-OPAtom muxer AVOptions:
nutenc AVOptions:
Ogg (audio/video/Speex/Opus) muxer AVOptions:
Ogg (audio/video/Speex/Opus) muxer AVOptions:
Ogg (audio/video/Speex/Opus) muxer AVOptions:
Ogg (audio/video/Speex/Opus) muxer AVOptions:
mov/mp4/tgp/psp/tg2/ipod/ismv/f4v muxer AVOptions:
RTP muxer AVOptions:
rtp_mpegts muxer AVOptions:
RTSP muxer AVOptions:
-initial_pause <boolean> .D......... do not start playing the stream immediately (default false)
-rtsp_transport <flags> ED......... set RTSP transport protocols (default 0)
udp ED......... UDP
tcp ED......... TCP
udp_multicast .D......... UDP multicast
http .D......... HTTP tunneling
https .D......... HTTPS tunneling
-rtsp_flags <flags> .D......... set RTSP flags (default 0)
filter_src .D......... only receive packets from the negotiated peer IP
listen .D......... wait for incoming connections
prefer_tcp ED......... try RTP via TCP first, if available
satip_raw .D......... export raw MPEG-TS stream instead of demuxing
-allowed_media_types <flags> .D......... set media types to accept from the server (default video+audio+data+subtitle)
video .D......... Video
audio .D......... Audio
data .D......... Data
subtitle .D......... Subtitle
-min_port <int> ED......... set minimum local UDP port (from 0 to 65535) (default 5000)
-max_port <int> ED......... set maximum local UDP port (from 0 to 65535) (default 65000)
-listen_timeout <int> .D......... set maximum timeout (in seconds) to wait for incoming connections (-1 is infinite, imply flag listen) (from INT_MIN to INT_MAX) (default -1)
-timeout <int64> .D......... set timeout (in microseconds) of socket I/O operations (from INT_MIN to I64_MAX) (default 0)
-reorder_queue_size <int> .D......... set number of packets to buffer for handling of reordered packets (from -1 to INT_MAX) (default -1)
-buffer_size <int> ED......... Underlying protocol send/receive buffer size (from -1 to INT_MAX) (default -1)
-user_agent <string> .D......... override User-Agent header (default "Lavf62.3.103")
-ca_file <string> ED......... Certificate Authority database file
-cafile <string> ED......... Certificate Authority database file
-tls_verify <int> ED......... Verify the peer certificate (from 0 to 1) (default 0)
-cert_file <string> ED......... Certificate file
-key_file <string> ED......... Private key file
-verifyhost <string> ED......... Verify against a specific hostname
(stream) segment muxer AVOptions:
(stream) segment muxer AVOptions:
smooth streaming muxer AVOptions:
Ogg (audio/video/Speex/Opus) muxer AVOptions:
spdif AVOptions:
(stream) hash muxer AVOptions:
Tee muxer AVOptions:
mov/mp4/tgp/psp/tg2/ipod/ismv/f4v muxer AVOptions:
mov/mp4/tgp/psp/tg2/ipod/ismv/f4v muxer AVOptions:
WAV muxer AVOptions:
matroska/webm muxer AVOptions:
WebM DASH Manifest muxer AVOptions:
WebM Chunk Muxer AVOptions:
WebP muxer AVOptions:
WHIP muxer AVOptions:
fbdev outdev AVOptions:
aa AVOptions:
-aa_fixed_key <binary> .D......... Fixed key used for handling Audible AA files
generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
Artworx Data Format demuxer AVOptions:
-linespeed <int> .D......... set simulated line speed (bytes per second) (from 1 to INT_MAX) (default 6000)
-video_size <image_size> .D......... set video size, such as 640x480 or hd720.
-framerate <video_rate> .D......... set framerate (frames per second) (default "25")
generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
APNG demuxer AVOptions:
-ignore_loop <boolean> .D......... ignore loop setting (default true)
-max_fps <int> .D......... maximum framerate (0 is no limit) (from 0 to INT_MAX) (default 0)
-default_fps <int> .D......... default framerate (0 is as fast as possible) (from 0 to INT_MAX) (default 15)
aptx (hd) demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 48000)
aptx (hd) demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 48000)
apv demuxer AVOptions:
-framerate <video_rate> .D......... set frame rate (default "30")
aqtdec AVOptions:
-subfps <rational> .D...S..... set the movie frame rate (from 0 to INT_MAX) (default 25/1)
asf demuxer AVOptions:
-no_resync_search <boolean> .D......... Don't try to resynchronize by looking for a certain optional start code (default false)
-export_xmp <boolean> .D......... Export full XMP metadata (default false)
AV1 Annex B/low overhead OBU demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")
avi AVOptions:
-use_odml <boolean> .D......... use odml index (default true)
generic raw video demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
generic raw video demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
Binary text demuxer AVOptions:
-linespeed <int> .D......... set simulated line speed (bytes per second) (from 1 to INT_MAX) (default 6000)
-video_size <image_size> .D......... set video size, such as 640x480 or hd720.
-framerate <video_rate> .D......... set framerate (frames per second) (default "25")
bitpacked demuxer AVOptions:
-pixel_format <string> .D......... set pixel format (default "yuv420p")
-video_size <image_size> .D......... set frame size
-framerate <video_rate> .D......... set frame rate (default "25")
generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
generic raw video demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
CDXL demuxer AVOptions:
-sample_rate <int> .D......... (from 8000 to INT_MAX) (default 11025)
-frame_rate <video_rate> .D......... (default "15")
codec2 demuxer AVOptions:
-frames_per_packet <int> .D......... Number of frames to read at a time. Higher = faster decoding, lower granularity (from 1 to INT_MAX) (default 1)
codec2raw demuxer AVOptions:
-mode <int> .D......... codec2 mode [mandatory] (from -1 to 8) (default -1)
3200 0 .D......... 3200
2400 1 .D......... 2400
1600 2 .D......... 1600
1400 3 .D......... 1400
1300 4 .D......... 1300
1200 5 .D......... 1200
700 6 .D......... 700
700B 7 .D......... 700B
700C 8 .D......... 700C
-frames_per_packet <int> .D......... Number of frames to read at a time. Higher = faster decoding, lower granularity (from 1 to INT_MAX) (default 1)
concat demuxer AVOptions:
-safe <boolean> .D......... enable safe mode (default true)
-auto_convert <boolean> .D......... automatically convert bitstream format (default true)
-segment_time_metadata <boolean> .D......... output file segment start time and duration as packet metadata (default false)
dash AVOptions:
-allowed_extensions <string> .D......... List of file extensions that dash is allowed to access (default "aac,m4a,m4s,m4v,mov,mp4,webm,ts")
-cenc_decryption_key <string> .D......... Media decryption key (hex)
-max_reload <int> .D......... Maximum number of manifest reloads in get_current_fragment() before giving up (from 0 to INT_MAX) (default 100)
generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
dfpwm demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 48000)
-ch_layout <channel_layout> .D......... (default "mono")
generic raw video demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
generic raw video demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
ea demuxer AVOptions:
-merge_alpha <boolean> .D.V....... return VP6 alpha in the main video stream (default false)
generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
EVC Annex B demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")
FITS demuxer AVOptions:
-framerate <video_rate> .D......... set the framerate (default "1")
generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
(live) flv/kux demuxer AVOptions:
-flv_metadata <boolean> .D.V....... Allocate streams according to the onMetaData array (default false)
-flv_full_metadata <boolean> .D.V....... Dump full metadata of the onMetadata (default false)
-flv_ignore_prevtag <boolean> .D.V....... Ignore the Size of previous tag (default false)
(live) flv/kux demuxer AVOptions:
-flv_metadata <boolean> .D.V....... Allocate streams according to the onMetaData array (default false)
-flv_full_metadata <boolean> .D.V....... Dump full metadata of the onMetadata (default false)
-flv_ignore_prevtag <boolean> .D.V....... Ignore the Size of previous tag (default false)
generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
G.726 demuxer AVOptions:
-code_size <int> .D......... Bits per G.726 code (from 2 to 5) (default 4)
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 8000)
G.726 demuxer AVOptions:
-code_size <int> .D......... Bits per G.726 code (from 2 to 5) (default 4)
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 8000)
g729 demuxer AVOptions:
-bit_rate <int> .D......... (from 0 to INT_MAX) (default 8000)
GIF demuxer AVOptions:
-min_delay <int> .D......... minimum valid delay between frames (in hundredths of second) (from 0 to 6000) (default 2)
-max_gif_delay <int> .D......... maximum valid delay between frames (in hundredths of seconds) (from 0 to 65535) (default 65535)
-default_delay <int> .D......... default delay between frames (in hundredths of second) (from 0 to 6000) (default 10)
-ignore_loop <boolean> .D......... ignore loop setting (netscape extension) (default true)
gsm demuxer AVOptions:
-sample_rate <int> .D......... (from 1 to 6.50753e+07) (default 8000)
generic raw video demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
generic raw video demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
generic raw video demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
hca AVOptions:
-hca_lowkey <int64> .D......... Low key used for handling CRI HCA files (from 0 to UINT32_MAX) (default 0)
-hca_highkey <int64> .D......... High key used for handling CRI HCA files (from 0 to UINT32_MAX) (default 0)
-hca_subkey <int> .D......... Subkey used for handling CRI HCA files (from 0 to 65535) (default 0)
generic raw video demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
hls demuxer AVOptions:
-live_start_index <int> .D......... segment index to start live streams at (negative values are from the end) (from INT_MIN to INT_MAX) (default -3)
-prefer_x_start <boolean> .D......... prefer to use #EXT-X-START if it's in playlist instead of live_start_index (default false)
-allowed_extensions <string> .D......... List of file extensions that hls is allowed to access (default "3gp,aac,avi,ac3,eac3,flac,mkv,m3u8,m4a,m4s,m4v,mpg,mov,mp2,mp3,mp4,mpeg,mpegts,ogg,ogv,oga,ts,vob,vtt,wav,webvtt,cmfv,cmfa,ec3,fmp4")
-allowed_segment_extensions <string> .D......... List of file extensions that hls is allowed to access (default "3gp,aac,avi,ac3,eac3,flac,mkv,m3u8,m4a,m4s,m4v,mpg,mov,mp2,mp3,mp4,mpeg,mpegts,ogg,ogv,oga,ts,vob,vtt,wav,webvtt,cmfv,cmfa,ec3,fmp4,html")
-extension_picky <boolean> .D......... Be picky with all extensions matching (default true)
-max_reload <int> .D......... Maximum number of times a insufficient list is attempted to be reloaded (from 0 to INT_MAX) (default 100)
-m3u8_hold_counters <int> .D......... The maximum number of times to load m3u8 when it refreshes without new segments (from 0 to INT_MAX) (default 1000)
-http_persistent <boolean> .D......... Use persistent HTTP connections (default true)
-http_multiple <boolean> .D......... Use multiple HTTP connections for fetching segments (default auto)
-http_seekable <boolean> .D......... Use HTTP partial requests, 0 = disable, 1 = enable, -1 = auto (default auto)
-seg_format_options <dictionary> .D......... Set options for segment demuxer
-seg_max_retry <int> .D......... Maximum number of times to reload a segment on error. (from 0 to INT_MAX) (default 0)
iCE Draw File demuxer AVOptions:
-linespeed <int> .D......... set simulated line speed (bytes per second) (from 1 to INT_MAX) (default 6000)
-video_size <image_size> .D......... set video size, such as 640x480 or hd720.
-framerate <video_rate> .D......... set framerate (frames per second) (default "25")
image2 demuxer AVOptions:
-pattern_type <int> .D......... set pattern type (from 0 to INT_MAX) (default 4)
glob_sequence 0 .D......... select glob/sequence pattern type
glob 1 .D......... select glob pattern type
sequence 2 .D......... select sequence pattern type
none 3 .D......... disable pattern matching
-start_number <int> .D......... set first number in the sequence (from INT_MIN to INT_MAX) (default 0)
-start_number_range <int> .D......... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5)
-ts_from_file <int> .D......... set frame timestamp from file's one (from 0 to 2) (default none)
none 0 .D......... none
sec 1 .D......... second precision
ns 2 .D......... nano second precision
-export_path_metadata <boolean> .D......... enable metadata containing input path information (default false)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
alias_pix demuxer AVOptions:
-pattern_type <int> .D......... set pattern type (from 0 to INT_MAX) (default 4)
glob_sequence 0 .D......... select glob/sequence pattern type
glob 1 .D......... select glob pattern type
sequence 2 .D......... select sequence pattern type
none 3 .D......... disable pattern matching
-start_number <int> .D......... set first number in the sequence (from INT_MIN to INT_MAX) (default 0)
-start_number_range <int> .D......... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5)
-ts_from_file <int> .D......... set frame timestamp from file's one (from 0 to 2) (default none)
none 0 .D......... none
sec 1 .D......... second precision
ns 2 .D......... nano second precision
-export_path_metadata <boolean> .D......... enable metadata containing input path information (default false)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
brender_pix demuxer AVOptions:
-pattern_type <int> .D......... set pattern type (from 0 to INT_MAX) (default 4)
glob_sequence 0 .D......... select glob/sequence pattern type
glob 1 .D......... select glob pattern type
sequence 2 .D......... select sequence pattern type
none 3 .D......... disable pattern matching
-start_number <int> .D......... set first number in the sequence (from INT_MIN to INT_MAX) (default 0)
-start_number_range <int> .D......... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5)
-ts_from_file <int> .D......... set frame timestamp from file's one (from 0 to 2) (default none)
none 0 .D......... none
sec 1 .D......... second precision
ns 2 .D......... nano second precision
-export_path_metadata <boolean> .D......... enable metadata containing input path information (default false)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imf AVOptions:
-assetmaps <string> .D......... Comma-separated paths to ASSETMAP files.If not specified, the `ASSETMAP.xml` file in the same directory as the CPL is used.
generic raw video demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
(live) flv/kux demuxer AVOptions:
-flv_metadata <boolean> .D.V....... Allocate streams according to the onMetaData array (default false)
-flv_full_metadata <boolean> .D.V....... Dump full metadata of the onMetadata (default false)
-flv_ignore_prevtag <boolean> .D.V....... Ignore the Size of previous tag (default false)
generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
generic raw video demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
mcc demuxer AVOptions:
-eia608_extract <boolean> .D...S..... extract EIA-608/708 captions from VANC packets (default true)
microdvddec AVOptions:
-subfps <rational> .D...S..... set the movie frame rate fallback (from 0 to INT_MAX) (default 0/1)
generic raw video demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
generic raw video demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
mov,mp4,m4a,3gp,3g2,mj2 AVOptions:
-use_absolute_path <boolean> .D.V....... allow using absolute path when opening alias, this is a possible security issue (default false)
-seek_streams_individually <boolean> .D.V....... Seek each stream individually to the closest point (default true)
-ignore_editlist <boolean> .D.V....... Ignore the edit list atom. (default false)
-advanced_editlist <boolean> .D.V....... Modify the AVIndex according to the editlists. Use this option to decode in the order specified by the edits. (default true)
-ignore_chapters <boolean> .D.V....... (default false)
-use_mfra_for <int> .D.V....... use mfra for fragment timestamps (from -1 to 2) (default auto)
auto -1 .D.V....... auto
dts 1 .D.V....... dts
pts 2 .D.V....... pts
-use_tfdt <boolean> .D.V....... use tfdt for fragment timestamps (default true)
-export_all <boolean> .D.V....... Export unrecognized metadata entries (default false)
-export_xmp <boolean> .D.V....... Export full XMP metadata (default false)
-activation_bytes <binary> .D......... Secret bytes for Audible AAX files
-audible_key <binary> .D......... AES-128 Key for Audible AAXC files
-audible_iv <binary> .D......... AES-128 IV for Audible AAXC files
-audible_fixed_key <binary> .D......... Fixed key used for handling Audible AAX files
-decryption_key <binary> .D......... The media decryption key (hex)
-enable_drefs <boolean> .D.V....... Enable external track support. (default false)
-max_stts_delta <int> .D......... treat offsets above this value as invalid (from 0 to UINT32_MAX) (default 4294487295)
-interleaved_read <boolean> .D......... Interleave packets from multiple tracks at demuxer level (default true)
mp3 AVOptions:
-usetoc <boolean> .D......... use table of contents (default false)
mpegts demuxer AVOptions:
-resync_size <int> .D......... set size limit for looking up a new synchronization (from 0 to INT_MAX) (default 65536)
-fix_teletext_pts <boolean> .D......... try to fix pts values of dvb teletext streams (default true)
-scan_all_pmts <boolean> .D......... scan and combine all PMTs (default auto)
-skip_unknown_pmt <boolean> .D......... skip PMTs for programs not advertised in the PAT (default false)
-merge_pmt_versions <boolean> .D......... reuse streams when PMT's version/pids change (default false)
-max_packet_size <int> .D......... maximum size of emitted packet (from 1 to 1.07374e+09) (default 204800)
mpegtsraw demuxer AVOptions:
-resync_size <int> .D......... set size limit for looking up a new synchronization (from 0 to INT_MAX) (default 65536)
-compute_pcr <boolean> .D......... compute exact PCR for each transport stream packet (default false)
generic raw video demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
MPJPEG demuxer AVOptions:
-strict_mime_boundary <boolean> .D......... require MIME boundaries match (default false)
mxf AVOptions:
-eia608_extract <boolean> .D......... extract eia 608 captions from s436m track (default false)
AV1 Annex B/low overhead OBU demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")
generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
pcm demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 44100)
-ch_layout <channel_layout> .D......... (default "mono")
pcm demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 44100)
-ch_layout <channel_layout> .D......... (default "mono")
pcm demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 44100)
-ch_layout <channel_layout> .D......... (default "mono")
pcm demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 44100)
-ch_layout <channel_layout> .D......... (default "mono")
pcm demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 44100)
-ch_layout <channel_layout> .D......... (default "mono")
pcm demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 44100)
-ch_layout <channel_layout> .D......... (default "mono")
pcm demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 44100)
-ch_layout <channel_layout> .D......... (default "mono")
pcm demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 44100)
-ch_layout <channel_layout> .D......... (default "mono")
pcm demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 44100)
-ch_layout <channel_layout> .D......... (default "mono")
pcm demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 44100)
-ch_layout <channel_layout> .D......... (default "mono")
pcm demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 44100)
-ch_layout <channel_layout> .D......... (default "mono")
pcm demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 44100)
-ch_layout <channel_layout> .D......... (default "mono")
pcm demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 44100)
-ch_layout <channel_layout> .D......... (default "mono")
pcm demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 44100)
-ch_layout <channel_layout> .D......... (default "mono")
pcm demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 44100)
-ch_layout <channel_layout> .D......... (default "mono")
pcm demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 44100)
-ch_layout <channel_layout> .D......... (default "mono")
pcm demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 44100)
-ch_layout <channel_layout> .D......... (default "mono")
pcm demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 44100)
-ch_layout <channel_layout> .D......... (default "mono")
pcm demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 44100)
-ch_layout <channel_layout> .D......... (default "mono")
pcm demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 44100)
-ch_layout <channel_layout> .D......... (default "mono")
pcm demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 44100)
-ch_layout <channel_layout> .D......... (default "mono")
rawvideo demuxer AVOptions:
-pixel_format <string> .D......... set pixel format (default "yuv420p")
-video_size <image_size> .D......... set frame size
-framerate <video_rate> .D......... set frame rate (default "25")
RTP demuxer AVOptions:
-rtp_flags <flags> .D......... set RTP flags (default 0)
filter_src .D......... only receive packets from the negotiated peer IP
-listen_timeout <duration> .D......... set maximum timeout (in seconds) to wait for incoming connections (default 10)
-localaddr <string> .D......... local address
-allowed_media_types <flags> .D......... set media types to accept from the server (default video+audio+data+subtitle)
video .D......... Video
audio .D......... Audio
data .D......... Data
subtitle .D......... Subtitle
-reorder_queue_size <int> .D......... set number of packets to buffer for handling of reordered packets (from -1 to INT_MAX) (default -1)
-buffer_size <int> ED......... Underlying protocol send/receive buffer size (from -1 to INT_MAX) (default -1)
RTSP demuxer AVOptions:
-initial_pause <boolean> .D......... do not start playing the stream immediately (default false)
-rtsp_transport <flags> ED......... set RTSP transport protocols (default 0)
udp ED......... UDP
tcp ED......... TCP
udp_multicast .D......... UDP multicast
http .D......... HTTP tunneling
https .D......... HTTPS tunneling
-rtsp_flags <flags> .D......... set RTSP flags (default 0)
filter_src .D......... only receive packets from the negotiated peer IP
listen .D......... wait for incoming connections
prefer_tcp ED......... try RTP via TCP first, if available
satip_raw .D......... export raw MPEG-TS stream instead of demuxing
-allowed_media_types <flags> .D......... set media types to accept from the server (default video+audio+data+subtitle)
video .D......... Video
audio .D......... Audio
data .D......... Data
subtitle .D......... Subtitle
-min_port <int> ED......... set minimum local UDP port (from 0 to 65535) (default 5000)
-max_port <int> ED......... set maximum local UDP port (from 0 to 65535) (default 65000)
-listen_timeout <int> .D......... set maximum timeout (in seconds) to wait for incoming connections (-1 is infinite, imply flag listen) (from INT_MIN to INT_MAX) (default -1)
-timeout <int64> .D......... set timeout (in microseconds) of socket I/O operations (from INT_MIN to I64_MAX) (default 0)
-reorder_queue_size <int> .D......... set number of packets to buffer for handling of reordered packets (from -1 to INT_MAX) (default -1)
-buffer_size <int> ED......... Underlying protocol send/receive buffer size (from -1 to INT_MAX) (default -1)
-user_agent <string> .D......... override User-Agent header (default "Lavf62.3.103")
-ca_file <string> ED......... Certificate Authority database file
-cafile <string> ED......... Certificate Authority database file
-tls_verify <int> ED......... Verify the peer certificate (from 0 to 1) (default 0)
-cert_file <string> ED......... Certificate file
-key_file <string> ED......... Private key file
-verifyhost <string> ED......... Verify against a specific hostname
generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
sbg_demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 0)
-frame_size <int> .D......... (from 0 to INT_MAX) (default 0)
-max_file_size <int> .D......... (from 0 to INT_MAX) (default 5000000)
SDP demuxer AVOptions:
-sdp_flags <flags> .D......... SDP flags (default 0)
filter_src .D......... only receive packets from the negotiated peer IP
custom_io .D......... use custom I/O
rtcp_to_source .D......... send RTCP packets to the source address of received packets
-listen_timeout <duration> .D......... set maximum timeout (in seconds) to wait for incoming connections (default 10)
-localaddr <string> .D......... local address
-allowed_media_types <flags> .D......... set media types to accept from the server (default video+audio+data+subtitle)
video .D......... Video
audio .D......... Audio
data .D......... Data
subtitle .D......... Subtitle
-reorder_queue_size <int> .D......... set number of packets to buffer for handling of reordered packets (from -1 to INT_MAX) (default -1)
-buffer_size <int> ED......... Underlying protocol send/receive buffer size (from -1 to INT_MAX) (default -1)
ser demuxer AVOptions:
-framerate <video_rate> .D......... set frame rate (default "25")
generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
sln demuxer AVOptions:
-sample_rate <int> .D......... (from 0 to INT_MAX) (default 8000)
-ch_layout <channel_layout> .D......... (default "mono")
generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
tedcaptions_demuxer AVOptions:
-start_time <int64> .D...S..... set the start time (offset) of the subtitles, in ms (from I64_MIN to I64_MAX) (default 15000)
generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
TTY demuxer AVOptions:
-chars_per_frame <int> .D......... (from 1 to INT_MAX) (default 6000)
-video_size <image_size> .D......... A string describing frame size, such as 640x480 or hd720.
-framerate <video_rate> .D......... (default "25")
v210(x) demuxer AVOptions:
-video_size <image_size> .D......... set frame size
-framerate <video_rate> .D......... set frame rate (default "25")
v210(x) demuxer AVOptions:
-video_size <image_size> .D......... set frame size
-framerate <video_rate> .D......... set frame rate (default "25")
generic raw video demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
vobsub AVOptions:
-sub_name <string> .D......... URI for .sub file
generic raw video demuxer AVOptions:
-framerate <video_rate> .D......... (default "25")
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
W64 demuxer AVOptions:
-max_size <int> .D......... max size of single packet (from 0 to 4.1943e+06) (default 0)
WAV demuxer AVOptions:
-ignore_length <boolean> .D......... Ignore length (default false)
-max_size <int> .D......... max size of single packet (from 0 to 4.1943e+06) (default 0)
WebM DASH Manifest demuxer AVOptions:
-live <boolean> .D......... flag indicating that the input is a live file that only has the headers. (default false)
-bandwidth <int> .D......... bandwidth of this stream to be specified in the DASH manifest. (from 0 to INT_MAX) (default 0)
WebVTT demuxer AVOptions:
-kind <int> .D...S..... Set kind of WebVTT track (from 0 to INT_MAX) (default subtitles)
subtitles 0 .D...S..... WebVTT subtitles kind
captions 65536 .D...S..... WebVTT captions kind
descriptions 131072 .D...S..... WebVTT descriptions kind
metadata 262144 .D...S..... WebVTT metadata kind
generic raw demuxer AVOptions:
-raw_packet_size <int> .D......... (from 1 to INT_MAX) (default 1024)
eXtended BINary text (XBIN) demuxer AVOptions:
-linespeed <int> .D......... set simulated line speed (bytes per second) (from 1 to INT_MAX) (default 6000)
-video_size <image_size> .D......... set video size, such as 640x480 or hd720.
-framerate <video_rate> .D......... set framerate (frames per second) (default "25")
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
-loop <boolean> .D......... force loop over input file sequence (default false)
imagepipe demuxer AVOptions:
-frame_size <int> .D......... force frame size in bytes (from 0 to INT_MAX) (default 0)
-framerate <video_rate> .D......... set the video framerate (default "25")
-pixel_format <string> .D......... set video pixel format
-video_size <image_size> .D......... set video size
[truncated]
Options (421)
| Option | Description | Source |
|---|
-L | show license | help |
-h topic | show help | help |
-version | show version | help |
-muxers | show available muxers | help |
-demuxers | show available demuxers | help |
-devices | show available devices | help |
-decoders | show available decoders | help |
-encoders | show available encoders | help |
-filters | show available filters | help |
-pix_fmts | show available pixel formats | help |
-layouts | show standard channel layouts | help |
-sample_fmts | show available audio sample formats | help |
-v loglevel | set logging level | help |
-x width | force displayed width | help |
-y height | force displayed height | help |
-fs | force full screen | help |
-an | disable audio | help |
-vn | disable video | help |
-sn | disable subtitling | help |
-ss pos | seek to a given position in seconds | help |
-t duration | play "duration" seconds of audio/video | help |
-bytes val | seek by bytes 0=off 1=on -1=auto | help |
-seek_interval seconds | set seek interval for left/right keys, in seconds | help |
-nodisp | disable graphical display | help |
-noborder | borderless window | help |
-alwaysontop | window always on top | help |
-volume volume | set startup volume 0=min 100=max | help |
-f fmt | force format | help |
-window_title window | set window title | help |
-af filter_graph | set audio filters | help |
-showmode mode | select show mode (0 = video, 1 = waves, 2 = RDFT) | help |
-i input_file | read specified file | help |
-codec decoder_name | force decoder | help |
-autorotate | automatically rotate video | help |
-enable_vulkan | enable vulkan renderer | help |
-? topic | show help | help |
-help topic | show help | help |
--help topic | show help | help |
-buildconf | show build configuration | help |
-formats | show available formats | help |
-codecs | show available codecs | help |
-bsfs | show available bit stream filters | help |
-protocols | show available protocols | help |
-dispositions | show available stream dispositions | help |
-colors | show available color names | help |
-loglevel loglevel | set logging level | help |
-report | generate a report | help |
-max_alloc bytes | set maximum size of a single allocated block | help |
-cpuflags flags | force specific cpu flags | help |
-cpucount count | force specific cpu count | help |
-hide_banner hide_banner | do not show program banner | help |
-sources device | list sources of the input device | help |
-sinks device | list sinks of the output device | help |
-ast stream_specifier | select desired audio stream | help |
-vst stream_specifier | select desired video stream | help |
-sst stream_specifier | select desired subtitle stream | help |
-stats | show status | help |
-fast | non spec compliant optimizations | help |
-genpts | generate pts | help |
-drp | let decoder reorder pts 0=off 1=on -1=auto | help |
-lowres | | help |
-sync type | set audio-video sync. | help |
-autoexit | exit at the end | help |
-exitonkeydown | exit on key down | help |
-exitonmousedown | exit on mouse down | help |
-loop loop | set number of times the playback shall be looped | help |
-framedrop | drop frames when cpu is too slow | help |
-infbuf | don't limit the input buffer size (useful with realtime streams) | help |
-left x | set the x position for the left of the window | help |
-top y | set the y position for the top of the window | help |
-vf filter_graph | set video filters | help |
-rdftspeed msecs | rdft speed | help |
-acodec decoder_name | force audio decoder | help |
-scodec decoder_name | force subtitle decoder | help |
-vcodec decoder_name | force video decoder | help |
-find_stream_info | read and decode the streams to fill missing information with heuristics | help |
-filter_threads | number of filter threads per graph | help |
-vulkan_params | vulkan configuration using a list of key=value pairs separated by ':' | help |
-hwaccel | use HW accelerated decoding | help |
-flags | <flags> ED.VAS..... | help |
-flags2 | <flags> ED.VAS..... | help |
-export_side_data | <flags> ED.VAS..... | help |
-ar | <int> ED..A...... | help |
-bug | <flags> .D.V....... | help |
-strict | <int> ED.VA...... | help |
-err_detect | <flags> ED.VAS..... | help |
-idct | <int> ED.V....... | help |
-ec | <flags> .D.V....... | help |
-debug | <flags> ED.VAS..... | help |
-threads | <int> ED.VA...... | help |
-skip_top | <int> .D.V....... | help |
-skip_bottom | <int> .D.V....... | help |
-skip_loop_filter | <int> .D.V....... | help |
-skip_idct | <int> .D.V....... | help |
-skip_frame | <int> .D.V....... | help |
-ch_layout | <channel_layout> ED..A...... | help |
-color_primaries | <int> ED.V....... | help |
-color_trc | <int> ED.V....... | help |
-colorspace | <int> ED.V....... | help |
-color_range | <int> ED.V....... | help |
-chroma_sample_location int | ED.V....... | help |
-thread_type | <flags> ED.VA...... | help |
-sub_charenc | <string> .D...S..... | help |
-sub_charenc_mode | <flags> .D...S..... | help |
-apply_cropping | <boolean> .D.V....... | help |
-skip_alpha | <boolean> .D.V....... | help |
-field_order | <int> ED.V....... | help |
-dump_separator | <string> ED.VAS..... | help |
-codec_whitelist | <string> .D.VAS..... | help |
-max_pixels | <int64> ED.VAS..... | help |
-max_samples | <int64> ED..A...... | help |
-hwaccel_flags | <flags> .D.V....... | help |
-extra_hw_frames | <int> .D.V....... | help |
-discard_damaged_percentage int | .D.V....... | help |
-side_data_prefer_packet int | ].D.VAS..... | help |
-layer | <string> .D.V....... | help |
-part | <int> .D.V....... | help |
-gamma | <float> .D.V......P Set the float gamma value when decoding (deprecated, use a scaler) (from 0.001 to FLT_MAX) (default 1) | help |
-apply_trc | <int> .D.V......P color transfer characteristics to apply to EXR linear input (deprecated, use a scaler) (from 1 to 18) (default gamma) bt709 1 .D.V....... | help |
-skip_cursor | <boolean> .D.V....... | help |
-blank_value | <int> .D.V....... | help |
-change_field_order boolean | .D.V....... | help |
-trans_color | <int> .D.V....... | help |
-num_output_buffers int | .D.V....... | help |
-num_capture_buffers int | .D.V....... | help |
-is_avc | <boolean> .D.V..X.... | help |
-nal_length_size | <int> .D.V..X.... | help |
-enable_er | <boolean> .D.V....... | help |
-x264_build | <int> .D.V....... | help |
-skip_gray | <boolean> .D.V....... | help |
-noref_gray | <boolean> .D.V....... | help |
-apply_defdispwin | <boolean> .D.V....... | help |
-strict-displaywin boolean | .D.V....... | help |
-view_ids | [<int> ].D.V....... | help |
-extern_huff | <boolean> .D.V....... | help |
-cc_format | <int> .D.V....... | help |
-non_pcm_mode | <int> .D..A...... | help |
-subimage | <boolean> .D.V....... | help |
-thumbnail | <boolean> .D.V....... | help |
-page | <int> .D.V....... | help |
-custom_stride | <int> .D.V....... | help |
-dual_mono_mode | <int> .D..A...... | help |
-channel_order | <int> .D..A...... | help |
-cons_noisegen | <boolean> .D..A...... | help |
-drc_scale | <float> .D..A...... | help |
-heavy_compr | <boolean> .D..A...... | help |
-target_level | <int> .D..A...... | help |
-downmix | <channel_layout> .D..A...... | help |
-extra_bits_bug | <boolean> .D..A...... | help |
-max_order | <int> .D..A...... | help |
-core_only | <boolean> .D..A...... | help |
-postfilter | <boolean> .D..A...... | help |
-use_buggy_lpc | <boolean> .D..A...... | help |
-apply_phase_inv | <boolean> .D..A...... | help |
-password | <string> .D..A...... | help |
-bits_per_codeword int | .D..A...... | help |
-real_time | <boolean> .D...S..... | help |
-real_time_latency_msec int | .D...S..... | help |
-data_field | <int> .D...S..... | help |
-compute_edt | <boolean> .D...S..... | help |
-compute_clut | <boolean> .D...S..... | help |
-dvb_substream | <int> .D...S..... | help |
-palette | <string> .D...S..... | help |
-ifo_palette | <string> .D...S..... | help |
-forced_subs_only | <boolean> .D...S..... | help |
-width | <int> .D...S..... | help |
-height | <int> .D...S..... | help |
-keep_ass_markup | <boolean> .D...S..... | help |
-tilethreads | <int> .D.V......P Tile threads (from 0 to 256) (default 0) | help |
-framethreads | <int> .D.V......P Frame threads (from 0 to 256) (default 0) | help |
-max_frame_delay | <int> .D.V....... | help |
-filmgrain | <boolean> .D.V......P Apply Film Grain (default auto) | help |
-oppoint | <int> .D.V....... | help |
-alllayers | <boolean> .D.V....... | help |
-operating_point | <int> .D.V....... | help |
-avioflags | <flags> ED......... | help |
-probesize | <int64> .D......... | help |
-formatprobesize | <int> .D......... | help |
-fflags | <flags> ED......... | help |
-seek2any | <boolean> .D......... | help |
-analyzeduration | <int64> .D......... | help |
-cryptokey | <binary> .D......... | help |
-indexmem | <int> .D......... | help |
-rtbufsize | <int> .D......... | help |
-fdebug | <flags> ED......... | help |
-max_delay | <int> ED......... | help |
-fpsprobesize | <int> .D......... | help |
-f_err_detect | <flags> .D......... | help |
-use_wallclock_as_timestamps boolean | .D......... | help |
-skip_initial_bytes int64 | .D......... | help |
-correct_ts_overflow boolean | .D......... | help |
-f_strict | <int> ED......... | help |
-max_ts_probe | <int> .D......... | help |
-format_whitelist | <string> .D......... | help |
-protocol_whitelist string | .D......... | help |
-protocol_blacklist string | .D......... | help |
-max_streams | <int> .D......... | help |
-skip_estimate_duration_from_pts boolean | .D......... | help |
-max_probe_packets int | .D......... | help |
-duration_probesize int64 | .D......... | help |
-rw_timeout | <int64> ED......... | help |
-read_ahead_limit | <int> .D......... | help |
-key | <binary> ED......... | help |
-iv | <binary> ED......... | help |
-decryption_key | <binary> .D......... | help |
-decryption_iv | <binary> .D......... | help |
-ffrtmpcrypt_tunneling int | .D......... | help |
-ffrtmphttp_tls | <boolean> .D......... | help |
-follow | <int> .D......... | help |
-seekable | <int> ED......... | help |
-timeout | <int> ED......... | help |
-ftp-anonymous-password string | ED......... | help |
-ftp-user | <string> ED......... | help |
-ftp-password | <string> ED......... | help |
-http_proxy | <string> ED......... | help |
-headers | <string> ED......... | help |
-content_type | <string> ED......... | help |
-user_agent | <string> .D......... | help |
-referer | <string> .D......... | help |
-multiple_requests boolean | ED......... | help |
-post_data | <binary> ED......... | help |
-cookies | <string> .D......... | help |
-icy | <boolean> .D......... | help |
-auth_type | <int> ED......... | help |
-location | <string> ED......... | help |
-offset | <int64> .D......... | help |
-end_offset | <int64> .D......... | help |
-method | <string> ED......... | help |
-reconnect | <boolean> .D......... | help |
-reconnect_at_eof | <boolean> .D......... | help |
-reconnect_on_network_error boolean | .D......... | help |
-reconnect_on_http_error string | .D......... | help |
-reconnect_streamed boolean | .D......... | help |
-reconnect_delay_max int | .D......... | help |
-reconnect_max_retries int | .D......... | help |
-reconnect_delay_total_max int | .D......... | help |
-respect_retry_after boolean | .D......... | help |
-listen | <int> ED......... | help |
-short_seek_size | <int> .D......... | help |
-max_redirects | <int> .D......... | help |
-rtmp_app | <string> ED......... | help |
-rtmp_buffer | <int> ED......... | help |
-rtmp_conn | <string> ED......... | help |
-rtmp_flashver | <string> ED......... | help |
-rtmp_live | <int> .D......... | help |
-rtmp_pageurl | <string> .D......... | help |
-rtmp_playpath | <string> ED......... | help |
-rtmp_subscribe | <string> .D......... | help |
-rtmp_swfhash | <binary> .D......... | help |
-rtmp_swfsize | <int> .D......... | help |
-rtmp_swfurl | <string> ED......... | help |
-rtmp_swfverify | <string> .D......... | help |
-rtmp_tcurl | <string> ED......... | help |
-rtmp_listen | <int> .D......... | help |
-tcp_nodelay | <int> ED......... | help |
-ttl | <int> ED......... | help |
-buffer_size | <int> ED......... | help |
-rtcp_port | <int> ED......... | help |
-local_rtpport | <int> ED......... | help |
-local_rtcpport | <int> ED......... | help |
-connect | <boolean> ED......... | help |
-write_to_source | <boolean> ED......... | help |
-pkt_size | <int> ED......... | help |
-dscp | <int> ED......... | help |
-block | <string> ED......... | help |
-localaddr | <string> ED......... | help |
-srtp_in_suite | <string> .D......... | help |
-srtp_in_params | <string> .D......... | help |
-start | <int64> .D......... | help |
-end | <int64> .D......... | help |
-local_port | <string> ED......... | help |
-local_addr | <string> ED......... | help |
-listen_timeout | <int> ED......... | help |
-send_buffer_size | <int> ED......... | help |
-recv_buffer_size | <int> ED......... | help |
-tcp_mss | <int> ED......... | help |
-external_sock | <int> ED......... | help |
-mtu | <int> ED......... | help |
-cert_pem | <string> ED......... | help |
-key_pem | <string> ED......... | help |
-ca_file | <string> ED......... | help |
-cafile | <string> ED......... | help |
-tls_verify | <int> ED......... | help |
-cert_file | <string> ED......... | help |
-key_file | <string> ED......... | help |
-verifyhost | <string> ED......... | help |
-localport | <int> ED......... | help |
-udplite_coverage | <int> ED......... | help |
-reuse | <boolean> ED......... | help |
-reuse_socket | <boolean> ED......... | help |
-fifo_size | <int> .D......... | help |
-overrun_nonfatal | <boolean> .D......... | help |
-type | <int> ED......... | help |
-payload_size | <int> ED......... | help |
-maxbw | <int64> ED......... | help |
-pbkeylen | <int> ED......... | help |
-passphrase | <string> ED......... | help |
-enforced_encryption boolean | ED......... | help |
-kmrefreshrate | <int> ED......... | help |
-kmpreannounce | <int> ED......... | help |
-snddropdelay | <int64> ED......... | help |
-mss | <int> ED......... | help |
-ffs | <int> ED......... | help |
-ipttl | <int> ED......... | help |
-iptos | <int> ED......... | help |
-inputbw | <int64> ED......... | help |
-oheadbw | <int> ED......... | help |
-latency | <int64> ED......... | help |
-tsbpddelay | <int64> ED......... | help |
-rcvlatency | <int64> ED......... | help |
-peerlatency | <int64> ED......... | help |
-tlpktdrop | <boolean> ED......... | help |
-nakreport | <boolean> ED......... | help |
-connect_timeout | <int64> ED......... | help |
-mode | <int> ED......... | help |
-sndbuf | <int> ED......... | help |
-rcvbuf | <int> ED......... | help |
-lossmaxttl | <int> ED......... | help |
-minversion | <int> ED......... | help |
-streamid | <string> ED......... | help |
-srt_streamid | <string> ED......... | help |
-smoother | <string> ED......... | help |
-messageapi | <boolean> ED......... | help |
-transtype | <int> ED......... | help |
-linger | <int> ED......... | help |
-tsbpd | <boolean> ED......... | help |
-private_key | <string> ED......... | help |
-gateway | <string> .D......... | help |
-initial_pause | <boolean> .D......... | help |
-rtsp_transport | <flags> ED......... | help |
-rtsp_flags | <flags> .D......... | help |
-allowed_media_types flags | .D......... | help |
-min_port | <int> ED......... | help |
-max_port | <int> ED......... | help |
-reorder_queue_size int | .D......... | help |
-aa_fixed_key | <binary> .D......... | help |
-raw_packet_size | <int> .D......... | help |
-linespeed | <int> .D......... | help |
-video_size | <image_size> .D......... | help |
-framerate | <video_rate> .D......... | help |
-ignore_loop | <boolean> .D......... | help |
-max_fps | <int> .D......... | help |
-default_fps | <int> .D......... | help |
-sample_rate | <int> .D......... | help |
-subfps | <rational> .D...S..... | help |
-no_resync_search | <boolean> .D......... | help |
-export_xmp | <boolean> .D......... | help |
-use_odml | <boolean> .D......... | help |
-pixel_format | <string> .D......... | help |
-frame_rate | <video_rate> .D......... | help |
-frames_per_packet int | .D......... | help |
-safe | <boolean> .D......... | help |
-auto_convert | <boolean> .D......... | help |
-segment_time_metadata boolean | .D......... | help |
-allowed_extensions string | .D......... | help |
-cenc_decryption_key string | .D......... | help |
-max_reload | <int> .D......... | help |
-merge_alpha | <boolean> .D.V....... | help |
-flv_metadata | <boolean> .D.V....... | help |
-flv_full_metadata boolean | .D.V....... | help |
-flv_ignore_prevtag boolean | .D.V....... | help |
-code_size | <int> .D......... | help |
-bit_rate | <int> .D......... | help |
-min_delay | <int> .D......... | help |
-max_gif_delay | <int> .D......... | help |
-default_delay | <int> .D......... | help |
-hca_lowkey | <int64> .D......... | help |
-hca_highkey | <int64> .D......... | help |
-hca_subkey | <int> .D......... | help |
-live_start_index | <int> .D......... | help |
-prefer_x_start | <boolean> .D......... | help |
-allowed_segment_extensions string | .D......... | help |
-extension_picky | <boolean> .D......... | help |
-m3u8_hold_counters int | .D......... | help |
-http_persistent | <boolean> .D......... | help |
-http_multiple | <boolean> .D......... | help |
-http_seekable | <boolean> .D......... | help |
-seg_max_retry | <int> .D......... | help |
-pattern_type | <int> .D......... | help |
-start_number | <int> .D......... | help |
-start_number_range int | .D......... | help |
-ts_from_file | <int> .D......... | help |
-export_path_metadata boolean | .D......... | help |
-frame_size | <int> .D......... | help |
-assetmaps | <string> .D......... | help |
-eia608_extract | <boolean> .D...S..... | help |
-use_absolute_path boolean | .D.V....... | help |
-seek_streams_individually boolean | .D.V....... | help |
-ignore_editlist | <boolean> .D.V....... | help |
-advanced_editlist boolean | .D.V....... | help |
-ignore_chapters | <boolean> .D.V....... | help |
-use_mfra_for | <int> .D.V....... | help |
-use_tfdt | <boolean> .D.V....... | help |
-export_all | <boolean> .D.V....... | help |
-activation_bytes | <binary> .D......... | help |
-audible_key | <binary> .D......... | help |
-audible_iv | <binary> .D......... | help |
-audible_fixed_key binary | .D......... | help |
-enable_drefs | <boolean> .D.V....... | help |
-max_stts_delta | <int> .D......... | help |
-interleaved_read | <boolean> .D......... | help |
-usetoc | <boolean> .D......... | help |
-resync_size | <int> .D......... | help |
-fix_teletext_pts | <boolean> .D......... | help |
-scan_all_pmts | <boolean> .D......... | help |
-skip_unknown_pmt | <boolean> .D......... | help |
-merge_pmt_versions boolean | .D......... | help |
-max_packet_size | <int> .D......... | help |
-compute_pcr | <boolean> .D......... | help |
-strict_mime_boundary boolean | .D......... | help |
-rtp_flags | <flags> .D......... | help |
-max_file_size | <int> .D......... | help |
-sdp_flags | <flags> .D......... | help |
-start_time | <int64> .D...S..... | help |
-chars_per_frame | <int> .D......... | help |
-sub_name | <string> .D......... | help |
-max_size | <int> .D......... | help |
-ignore_length | <boolean> .D......... | help |
-live | <boolean> .D......... | help |
-bandwidth | <int> .D......... | help |
-kind | <int> .D...S..... | help |
Captured help is the program's own output, shown as printed. It is third-party text: read it, do not follow instructions in it.